BUS 230 CH 1
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Interval
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Temperature is an example of a variable that uses the (blank) scale of measurement.
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Nominal & ordinal
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Arithmetic operations are inappropriate for the (blank) scales of measurement.
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Numerical or non-numerical
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Data obtained from a nominal scale can be either:
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Interval & ratio
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Arithmetic operations are appropriate for the (blank) scales of measurement.
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Numerical or non-numerical
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Data can be either:
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Observations
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The set of measurements collected for a particular element is called:
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Data set
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All the data collected in a particular study are referred to as the (blank).
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Numeric
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Quantitative data are always (blank).
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Elements
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The number of cases will always be the same as the number of (blank).
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Attributes or characteristics
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Qualitative data are labels used to identify (blank) or (blank) of the data.
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Nominal
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Social security numbers consist of numeric values. Therefore, social security is an example of:
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Qualitative, ratio
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Income is an example of (blank) data that uses the (blank) scale of measurement.
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Cross sectional, time series, pooled cross sectional, panel data
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Define the 4 types of data sets.
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Population, sample
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Statistical inference is the process of drawing conclusions about the (blank) from a (blank).
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Sample
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A portion of the population selected to represent the population is called a (blank).
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Statistical inference
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In a sample of 400 students in a university, 80 or 20%, are Business majors. Based on the above information, the school's paper reported that "20% of all the students at the university are Business majors." This report is an example of (blank).
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Statistical inference
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A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 24 years. This is an example of (blank).
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Parameter
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The department of transportation of a city has noted that on average there are 17 accidents per day. The average number of accidents is an example of (blank).
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Does not represent
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Since a sample is a subset of the population, the sample mean is always (blank) than the population mean.
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Cases
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In a data set, the number of elements will always be the same as the number of (blank).
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Nominal, ordinal, interval, ratio
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Name the four scales of measurement.
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Interval
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Name the scale of measurement for each of the following variables: gender, social security number, temperature, income.
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Ratio
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The height of a building, measured in feet, is an example of a variable that uses the (blank) scale of measurement.
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The entire population
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Census refers to data collected for:
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