Management at a home improvement store randomly selected 100 customers and observed their shopping habits. They recorded the number of items each of the customers purchased as well as the total time the customers spent in the store. Identify the types of variables recorded by the managers of the home improvement store
A) number of items - continuous; total time - continuous
B) number of items - continuous; total time - discrete
C) number of items - discrete; total time - discrete
D) number of items - discrete; total time - continuous
D
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A researcher is told that the average age of respondents in a survey is 49 years. She is interested in finding out if most respondents are close to 49 years or not. The measure most appropriate to answer this question is:
a. mean. b. median. c. Mode d. Standard deviation e. Range
When the systems analyst asks an opinion of a permanent feature of the installed information system, the executive interviewed may provide an unbiased evaluation since there is little possibility of changing it
Indicate whether the statement is true or false