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    Business Statistics - using data decisions

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    Question 1
    What scale of measurement would you use when collecting data to represent the average monthly temperature for the city of Fort Wayne?
    Answer
    Nominal
    Ordinal
    Interval
    Ratio

    Question 5
    An employee appraisal form lists performance ratings as "exceeds expectations", "meets expectations", and "below expectations." What type of measurement scale describes this type of data?
    Answer
    Nominal
    Ordinal
    Interval
    Ratio

    Question 6
    An analysis of the number of phone calls per day for last month is shown in the following frequency table.
    Calls per day Number of Days
    0 - 2 12
    3 - 5 8
    6 - 8 5
    9 - 11 3
    12 or more 2

    What is the relative frequency for the category 0 - 2?
    Answer
    0.12
    0.25
    0.40
    0.67

    Question 7
    The phone call data is repeated for this question.
    Calls per day Number of days
    0 - 2 12
    3 - 5 8
    6 - 8 5
    9 - 11 3
    12 or more 2
    What percent of the data falls between 2 and 9 calls per day?
    Answer
    0.27
    0.43
    0.53
    0.93

    Question 10
    The following set {male, female} describes gender data from a survey. Which best describes the data set?
    Answer
    Mutually exclusive
    Collectively exhaustive
    Both mutually exclusive and collectively exhaustive
    Neither mutually exclusive nor collectively exhaustive

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    Solution Preview

    1. Interval
    An interval level of measurement classifies observations into categories that are not only mutually exclusive and exhaustive, and have some explicit relationship among ...

    Solution Summary

    Business statistics for using data decisions are examined. What scale you used when collecting data to represent the average monthly temperature is determined.

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