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10) A surveyer stood outside the DUC and asked exiting undergraduate students fo

ID: 3125861 • Letter: 1

Question

10) A surveyer stood outside the DUC and asked exiting undergraduate students for the following information a. Their purpose for going to the DUC b. Amount of time they were in the DUC c. Number of people they spoke to in the DUC d. Amount of money they spent in the DUC e. Expected graduation year For each of these, identify if the variable is categorical or numerical. If the variable is numerical identify whether it is discrete or continuous. Also, identify the measurement scale that would be used for each variable.

Explanation / Answer

a. Their purpose for going to the DUC

CATEGORICAL. [ANSWER]

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b. Amount of time they were in the DUC

NUMERICAL, CONTINUOUS. [ANSWER]

Continuous variables can take any values, whether it be decimal, fraction, irrational, etc.

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c. Number of people they spoke to in the DUC

NUMERICAL, DISCRETE. [ANSWER]


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d. Amount of money they spent in the DUC

NUMERICAL, DISCRETE. [ANSWER]

You can only spend money in multiples of $0.01, we cannot spend $38.3268.

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e. Expected graduation year

CATEGORICAL. [ANSWER]

Although graduation year is a number, it doesn't make to add or subtract them, as in year 2015 + year 2016 does not make sense.