STRAIGHTERLINE BUSINESS STATISTICS FINAL EXAM 100 PRACTICE QUESTIONS AND ANSWERS (LATTEST 2026 EDITION) 100% CORRECT QUESTION ANSWERS

STRAIGHTERLINE BUSINESS STATISTICS FINAL
EXAM 100 PRACTICE QUESTIONS AND
ANSWERS (LATTEST 2026 EDITION) 100%
CORRECT QUESTION ANSWERS
DESCRIPTIVE STATISTICS


Question 1
What is the mean of 5, 10, 15, 20, and 25?

A. 10
B. 15
C. 20
D. 25

Correct Answer:

B. 15

Explanation:
5 + 10 + 15 + 20 + 25
= 15
5



Question 2
Which measure identifies the middle value in a data set?

A. Mean
B. Median
C. Mode
D. Range

Correct Answer:

,B. Median




Question 3
What is the mode of the following numbers?
4, 7, 7, 9, 10

A. 4
B. 7
C. 9
D. 10

Correct Answer:

B. 7




Question 4
What is the range of 12, 18, 25, and 30?

A. 12
B. 18
C. 25
D. 18

Correct Answer:

D. 18

Explanation:

30 − 12 = 18




Question 5
Which measure is most affected by outliers?

, A. Median
B. Mode
C. Mean
D. Quartile

Correct Answer:

C. Mean




Question 6
What is the standard deviation used to measure?

A. Central tendency
B. Spread of data
C. Correlation
D. Probability

Correct Answer:

B. Spread of data




Question 7
A symmetric distribution has:

A. Mean greater than median
B. Mean less than median
C. Mean equal to median
D. No mean

Correct Answer:

C. Mean equal to median




Question 8
Which graph is best for categorical data?