Survey of Cheating Among Business Students Essay

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Undertaking Portfolio

Introduction

Cheat has been a concern of the senior member of the College of Business at Rocky University for a few old ages. A survey was directed to study the current moral behavior of concern people at Rocky University. As a major facet of this survey, an unknown passageway overview was regulated to a specimen of 90 concern standbies from this present twelvemonth ‘s graduation category. Three kinds of victimizing are considered specifically “ exhibiting work replicated off the Internet ” , “ doubling answers off an surrogate bookman ‘s test ” and “ teaming up with different people on ventures that should be finished independently ” .

Report

To: Dean of Rocky University

From: Statistical Analyst

Date: 15-02-2014

Capable: Statistical Analysis on Ethical Behavior of Business Students at Rocky University

Part 1:

Copied from Internet

Copied on Exam

Collaborated on Individual Project

Gender

Yes

No

Yes

No

Yes

No

Male

23

16

16

23

20

19

Female

26

25

29

22

25

26

Entire

49

41

45

45

45

45

Proportion of all pupils

54.44 %

45.56 %

50.00 %

50.00 %

50.00 %

50.00 %

Proportion of Male

58.97 %

41.03 %

41.03 %

58.97 %

51.28 %

48.72 %

Proportion of Female

50.98 %

49.02 %

56.86 %

43.14 %

49.02 %

50.98 %

  • 54.44 % of all standbies displayed work duplicated off the Internet as their ain.
  • 58.97 % of male bookmans introduced work duplicated off the Internet as their ain.
  • 50.98 % of female bookmans introduced work duplicated off the Internet as their ain.
  • 41.03 % of all bookmans duplicated answers off an surrogate bookman ‘s test.
  • 56.86 % of male bookmans duplicated answers off an surrogate bookman ‘s test.
  • 32.22 % of female bookmans duplicated answers off an surrogate bookman ‘s test.
  • One-half of all bookmans worked together with different scholars on activities that should be finished independently.
  • 51.28 % of male bookmans worked together with different scholars on activities that should be finished independently.
  • 49.02 % of female bookmans worked together with different scholars on activities that should be finished independently.

Part 2:

There are 90 concern scholars in the specimen in which 5 bookmans do n’t included in any sort of bamboozling. That is, the remaining 85 standbies included in some sort of tricking.

95 % certainty meantime for the extent of all bookmans who were included in some kind of duping is given by

where P = x/n = 85/90 = 0.944444444,= 1.959963985, n = 90

= ( 0.8971, 0.9918 )

Therefore with 95 % assurance we can claim that the proportion of all pupils who were involved in some type of cheating is within ( 89.71 % , 99.18 % ) .

Detailss

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

90

Number of Successes

85

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.944444444

Z Value

-1.959963985

Standard Error of the Proportion

0.024145194

Interval Half Width

0.047323711

Assurance Time interval

Interval Lower Limit

0.8971

Interval Upper Limit

0.9918

In the illustration there are 39 males in which 4 do n’t included in any kind of bamboozling. That is, the remaining 35 cats included in some sort of conning.

95 % trust meantime for the extent of male scholars who were included in some sort of deceiving is given by

where P = x/n = 35/39 = 0.897435897,= 1.959963985, n = 39

= ( 0.8022, 0.9927 )

Therefore with 95 % assurance we can claim that the proportion of males who were involved in some type of cheating is within ( 80.22 % , 99.27 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

39

Number of Successes

35

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.897435897

Z Value

-1.959963985

Standard Error of the Proportion

0.048581074

Interval Half Width

0.095217154

Assurance Time interval

Interval Lower Limit

0.8022

Interval Upper Limit

0.9927

In the illustration there are 51 females in which 1 does non included in any sort of conning. That is, the remaining 50 females included in some kind of deceiving.

95 % trust meantime for the extent of female people who were included in some kind of tricking is given by

where P = x/n = 50/51 = 0.980392157,= 1.959963985, n = 51

= ( 0.9, 1 )

Therefore with 95 % assurance we can claim that the proportion of females who were involved in some type of cheating is within ( 90 % , 100 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

51

Number of Successes

50

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.980392157

Z Value

-1.959963985

Standard Error of the Proportion

0.019414658

Interval Half Width

0.038052030

Assurance Time interval

Interval Lower Limit

0.9

Interval Upper Limit

1.0

Part 3:

95 % assurance intervals for the proportion of all pupils who were involved in copying off the Internet is given by,

where P = x/n = 49/90 = 0.544444444,= 1.959963985, n = 90

= ( 0.4416, 0.6473 )

Therefore with 95 % assurance we can claim that the proportion of all pupils who were involved in copying off the Internet is within ( 44.16 % , 64.73 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

90

Number of Successes

49

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.544444444

Z Value

-1.959963985

Standard Error of the Proportion

0.052495999

Interval Half Width

0.102890267

Assurance Time interval

Interval Lower Limit

0.4416

Interval Upper Limit

0.6473

95 % assurance interval for the proportion of male pupils who were involved in copying off the Internet is given by

where P = x/n = 23/39 = 0.58974359,= 1.959963985, n = 39

= ( 0.4354, 0.7441 )

Therefore with 95 % assurance we can claim that the proportion of males who were involved in copying off the Internet is within ( 43.54 % , 74.41 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

39

Number of Successes

23

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.58974359

Z Value

-1.959963985

Standard Error of the Proportion

0.078763861

Interval Half Width

0.154374331

Assurance Time interval

Interval Lower Limit

0.4354

Interval Upper Limit

0.7441

95 % assurance interval for the proportion of female pupils who were involved in copying off the Internet is given by

where P = x/n = 26/51 = 0.509803922,= 1.959963985, n = 51

= ( 0.3726, 0.6470 )

Therefore with 95 % assurance we can claim that the proportion of females who were involved in copying off the Internet is within ( 37.26 % , 64.7 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

51

Number of Successes

26

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.509803922

Z Value

-1.959963985

Standard Error of the Proportion

0.070000544

Interval Half Width

0.137198545

Assurance Time interval

Interval Lower Limit

0.3726

Interval Upper Limit

0.6470

Part 4:

95 % assurance intervals for the proportion of all pupils who were involved in copying off another ‘s test is given by,

where P = x/n = 45/90 = 0.50,= 1.959963985, n = 90

= ( 0.3967, 0.6033 )

Therefore with 95 % assurance we can claim that the proportion of all pupils who were involved in copying off another ‘s test is within ( 39.67 % , 60.33 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

90

Number of Successes

45

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.5

Z Value

-1.959963985

Standard Error of the Proportion

0.052704628

Interval Half Width

0.103299172

Assurance Time interval

Interval Lower Limit

0.3967

Interval Upper Limit

0.6033

95 % assurance interval for the proportion of male pupils who were involved in copying off another ‘s test is given by

where P = x/n = 16/39 = 0.41025641,= 1.959963985, n = 39

= ( 0.2559, 0.5646 )

Therefore with 95 % assurance we can claim that the proportion of males who were involved in copying off another ‘s test is within ( 25.59 % , 56.46 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

39

Number of Successes

16

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.41025641

Z Value

-1.959963985

Standard Error of the Proportion

0.078763861

Interval Half Width

0.154374331

Assurance Time interval

Interval Lower Limit

0.2559

Interval Upper Limit

0.5646

95 % assurance interval for the proportion of female pupils who were involved in copying off another ‘s test is given by

where P = x/n = 29/51 = 0.568627451,= 1.959963985, n = 51

= ( 0.4327, 0.7046 )

Therefore with 95 % assurance we can claim that the proportion of females who were involved in copying off another ‘s test is within ( 43.27 % , 70.46 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

51

Number of Successes

29

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.568627451

Z Value

-1.959963985

Standard Error of the Proportion

0.069351375

Interval Half Width

0.135926197

Assurance Time interval

Interval Lower Limit

0.4327

Interval Upper Limit

0.7046

Part 5:

95 % assurance intervals for the proportion of all pupils who were involved in join forcesing on what was meant to be an single undertaking is given by,

where P = x/n = 45/90 = 0.50,= 1.959963985, n = 90

= ( 0.3967, 0.6033 )

Therefore with 95 % assurance we can claim that the proportion of all pupils who were involved in join forcesing on what was meant to be an single undertaking is within ( 39.67 % , 60.33 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

90

Number of Successes

45

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.5

Z Value

-1.959963985

Standard Error of the Proportion

0.052704628

Interval Half Width

0.103299172

Assurance Time interval

Interval Lower Limit

0.3967

Interval Upper Limit

0.6033

95 % assurance interval for the proportion of male pupils who were involved in join forcesing on what was meant to be an single undertaking is given by

where P = x/n = 20/39 = 0.512820513,= 1.959963985, n = 39

= ( 0.3559, 0.6697 )

Therefore with 95 % assurance we can claim that the proportion of males who were involved in join forcesing on what was meant to be an single undertaking is within ( 35.59 % , 66.97 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

39

Number of Successes

20

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.512820513

Z Value

-1.959963985

Standard Error of the Proportion

0.080037753

Interval Half Width

0.156871113

Assurance Time interval

Interval Lower Limit

0.3559

Interval Upper Limit

0.6697

95 % assurance interval for the proportion of female pupils who were involved in join forcesing on what was meant to be an single undertaking is given by

where P = x/n = 25/51 = 0.490196078,= 1.959963985, n = 51

= ( 0.3530, 0.6274 )

Therefore with 95 % assurance we can claim that the proportion of females who were involved in join forcesing on what was meant to be an single undertaking is within ( 35.3 % , 62.74 % ) .

Explanation

95 % Confidence Interval Estimate for the Proportion

Datas

Sample Size

51

Number of Successes

25

Confidence Level

95 %

Intermediate Calculations

Sample Proportion

0.490196078

Z Value

-1.959963985

Standard Error of the Proportion

0.070000544

Interval Half Width

0.137198545

Assurance Time interval

Interval Lower Limit

0.3530

Interval Upper Limit

0.6274

Part 6:

Null hypothesis:

H0: The proportion of concern pupils at Rocky University who were non involved in some type of rip offing ? 0.14. ( p ? 0.14 )

Alternative hypothesis:

H1: The proportion of concern pupils at Rocky University who were non involved in some type of rip offing & A ; lt ; 0.14. ( p & A ; lt ; 0.14 )

Test statistic:

Used is, where P = 5/90 = 0.055555556, n = 90, P0= 0.14

Therefore,= -2.308761619

Rejection standards:

Reject the void hypothesis, if the deliberate value of Z is less than the critical value of Z at the 0.05 significance degree.

Lower critical value = -1.644853627

Decision:

Reject the void hypothesis, since the discovered appraisal of Z is short of what the basic appraisal of Z. The specimen gives adequate verification to deduce that the extent of concern standbies at Rocky University who were non included in some kind of swindling is short of what that of concern people someplace else.

Explanation

Z Test of Hypothesis for the Proportion

Datas

Null Hypothesis i?° =

0.1400

Degree of Significance

0.05

Number of Items of Interest

5

Sample Size

90

Intermediate Calculations

Sample Proportion

0.055555556

Standard Error

0.036575645

Z Test Statistic

-2.308761619

Lower-Tail Trial

Lower Critical Value

-1.644853627

P-Value

0.010478406

Reject the void hypothesis

Part 7:

  • With 95 % trust we can asseverate that the extent of all scholars who were included in some sort of conning is indoors ( 89.71 % , 99.18 % ) .
  • With 95 % trust we can vouch that the extent of cats who were included in some sort of duping is indoors ( 80.22 % , 99.27 % ) .
  • With 95 % trust we can vouch that the extent of females who were included in some sort of duping is indoors ( 90 % , 100 % ) .
  • With 95 % trust we can vouch that the extent of all standbies who were included in retroflexing off the Internet is indoors ( 44.16 % , 64.73 % ) .
  • With 95 % trust we can vouch that the extent of cats who were included in retroflexing off the Internet is indoors ( 43.54 % , 74.41 % ) .
  • With 95 % trust we can vouch that the extent of females who were included in retroflexing off the Internet is indoors ( 37.26 % , 64.7 % ) .
  • With 95 % certainty we can asseverate that the extent of all bookmans who were included in doubling off an surrogate ‘s test is indoors ( 39.67 % , 60.33 % ) .
  • With 95 % certainty we can asseverate that the extent of cats who were included in doubling off an surrogate ‘s test is indoors ( 25.59 % , 56.46 % ) .
  • With 95 % certainty we can asseverate that the extent of females who were included in doubling off an surrogate ‘s test is indoors ( 43.27 % , 70.46 % ) .
  • With 95 % certainty we can asseverate that the extent of all bookmans who were included in working together on what was intended to be an single project is indoors ( 39.67 % , 60.33 % ) .
  • With 95 % certainty we can asseverate that the extent of cats who were included in working together on what was intended to be an single venture is indoors ( 35.59 % , 66.97 % ) .
  • With 95 % certainty we can asseverate that the extent of females who were included in teaming up on what was intended to be an single undertaking is indoors ( 35.3 % , 62.74 % ) .
  • There is sufficient cogent evidence to ground that the extent of concern people at Rocky University who were non included in some sort of conning is short of what that of concern

Decision:

54.4 % of the concern people do n’t included in retroflexing off the Internet. Half of the concern people included in retroflexing off an surrogate ‘s test. The extent of concern bookmans at Rocky University who were non included in some kind of tricking is short of what that of concern scholars someplace else.

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