When data is collected using a qualitative, nominal variable (in other words, male or female), what is true about a frequency distribution that summarizes the data?
A)The upper and lower class limits must be calculated.
B)Class midpoints can be computed.
C)The number of classes corresponds to the number of a variable's values.
D)The "2 to the k rule" can be applieD.

Question

Quizplus · Accepted Answer

When collecting data using a qualitative, nominal variable, such as gender (male or female), the number of classes in the frequency distribution corresponds to the number of values the variable can take on (2 in the case of male or female). Class limits and midpoints cannot be computed since the data is not numeric. The "2 to the k rule" is not relevant in this situation. Therefore, option C is the best choice.

When Data Is Collected Using a Qualitative, Nominal Variable (In