STATISTICS MODULE 4 | QUESTIONS AND
ANSWERS RATED A+ | 2025 GUIDE
Median of a data set - Correct Answer - The middle value of the data set
What are the two types of variables - Correct Answer - 1) Quantitative
Variable 2) Categorical Variable
Quantitative variable - Correct Answer - Quantitative variable - a variable
that takes a numerical value that can be counted or measured.
Examples: height, weight, age, cholesterol level, exam scores
Categorical variable - Correct Answer - Categorical variable - a variable
that is not measured; it is a "category" or a label; it places the individual
in a certain group.
Examples: gender, months of the year, zip codes
List Two Graphical Displays for Categorical Data - Correct Answer - 1)
Pie Charts 2) Bar Charts
, ___________________ - best when we want to display different parts of
a whole - Correct Answer - Pie Charts.
_______________________ - best to display counts or frequencies for
the categories - Correct Answer - Bar Charts.
What are the Numerical Measures of Center - Correct Answer - Mean:
"Average"
Median: "Middle"
Mode: "Most frequently occurring"
Find the Mean
- Correct Answer - Add up all the values and divide by the number of
values
Find the Median
- Correct Answer - Put the data in order and the median is the middle
value.
When the data set is an even number the median is an average of the
middle values that is divided by 2.