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Statistics Exam 1 Review Questions and Complete Solutions Graded A+
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Statistics Exam 1 Review Questions and Complete Solutions Graded A+
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Statistics Exam 1 ReviewQuestions and Complete
Solutions Graded A+
Descriptive Statistics - Answer: collection, organization, presentation, and summary of data
Inferential Statistics - Answer: generalizing from a sample to a population, drawing conclusions, and
making decisions
Categorical/Qualitative Data - Answer: consists of values that can be expressed in words
may be coded arbitrarily with the help of numbers, but have categorical meaning
Numerical/Quantitative Data - Answer: arises from counting, measuring, or some mathematical
operation
Discrete Data - Answer: consists of distinct values
Continuous Data - Answer: can have any value in an interval
Ordinal Data - Answer: numbers depict category
have order or rank
differences between values are not meaningful
Ratio Data - Answer: not categorical
numbers have rank
differences between values are meaningful
, ratios are meaningful too due to the presence of meaningful zeros
Nominal - Answer: Numbers depict category only
no order or rank
Manufacture of Car - Answer: Categorical
College Major - Answer: Categorical
Number of Credits - Answer: Discrete
Length of Tv Commerical - Answer: Continuous
Number of Peanuts in a can - Answer: Discrete
Occupation of mortgage applicant - Answer: Categorical
Flight time from London to Chicago - Answer: Continuous
Interval Data - Answer: not categorical
numbers have rank
differences between values or intervals are meaningful
ratios are not meaningful because there is no meaningful zero
Number of employees in Walmart - Answer: ratio
Number of merchandise returns on random Monday at Walmart - Answer: ratio
Temperature of ice cream in a cooler - Answer: interval
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