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?
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?