MATH 110 Statistics Module 2 Exam | Latest
2025/2026 | Portage Learning | Verified
Questions and Answers | A+ Graded
Section 1: Introduction
This document provides the verified exam content for Module 2 of MATH 110 – Statistics
from Portage Learning, fully updated for the 2025/2026 academic year. It includes 100%
correct answers to questions covering descriptive statistics, measures of central tendency,
measures of variability, and graphical representations. Graded A+ and aligned with Portage
Learning’s online curriculum, this guide offers essential support for success in introductory
statistical coursework.
Section 2: Exam Questions and Answers
Format: Multiple-choice and problem-based questions
Four answer choices per question (A–D)
Correct answer highlighted
Includes brief explanations for key terms and concepts
Question 1
Question: What is the mean of the data set: 4, 8, 6, 5, 3?
A) 4
B) 5
C) 6
D) 7
B) 5
Explanation: Mean = (4 + 8 + 6 + 5 + 3) / 5 = = 5.2 (rounded to 5).
Question 2
Question: Which measure of central tendency is most affected by extreme values?
A) Median
B) Mode
C) Mean
D) Range
C) Mean
Explanation: The mean shifts with outliers due to its reliance on all values.
Question 3
Question: What is the median of the data set: 1, 3, 5, 7, 9?
A) 3
B) 5
C) 7
D) 9
, B) 5
Explanation: With 5 numbers, the median is the middle value, which is 5.
Question 4
Question: Which of the following is a measure of variability?
A) Mean
B) Standard deviation
C) Mode
D) Median
B) Standard deviation
Explanation: Standard deviation measures the spread of data around the mean.
Question 5
Question: What is the mode of the data set: 2, 2, 3, 4, 5?
A) 2
B) 3
C) 4
D) 5
A) 2
Explanation: The mode is the most frequent value, which is 2.
Question 6
Question: Which graph is best for displaying the distribution of a single variable?
A) Scatter plot
B) Histogram
C) Bar chart
D) Pie chart
B) Histogram
Explanation: Histograms show frequency distribution of continuous data.
Question 7
Question: What is the range of the data set: 10, 15, 12, 18, 11?
A) 5
B) 6
C) 7
D) 8
D) 8
Explanation: Range = Max (18) - Min (10) = 8.
Question 8
Question: Which measure is resistant to outliers?
A) Mean
B) Median
C) Standard deviation
2025/2026 | Portage Learning | Verified
Questions and Answers | A+ Graded
Section 1: Introduction
This document provides the verified exam content for Module 2 of MATH 110 – Statistics
from Portage Learning, fully updated for the 2025/2026 academic year. It includes 100%
correct answers to questions covering descriptive statistics, measures of central tendency,
measures of variability, and graphical representations. Graded A+ and aligned with Portage
Learning’s online curriculum, this guide offers essential support for success in introductory
statistical coursework.
Section 2: Exam Questions and Answers
Format: Multiple-choice and problem-based questions
Four answer choices per question (A–D)
Correct answer highlighted
Includes brief explanations for key terms and concepts
Question 1
Question: What is the mean of the data set: 4, 8, 6, 5, 3?
A) 4
B) 5
C) 6
D) 7
B) 5
Explanation: Mean = (4 + 8 + 6 + 5 + 3) / 5 = = 5.2 (rounded to 5).
Question 2
Question: Which measure of central tendency is most affected by extreme values?
A) Median
B) Mode
C) Mean
D) Range
C) Mean
Explanation: The mean shifts with outliers due to its reliance on all values.
Question 3
Question: What is the median of the data set: 1, 3, 5, 7, 9?
A) 3
B) 5
C) 7
D) 9
, B) 5
Explanation: With 5 numbers, the median is the middle value, which is 5.
Question 4
Question: Which of the following is a measure of variability?
A) Mean
B) Standard deviation
C) Mode
D) Median
B) Standard deviation
Explanation: Standard deviation measures the spread of data around the mean.
Question 5
Question: What is the mode of the data set: 2, 2, 3, 4, 5?
A) 2
B) 3
C) 4
D) 5
A) 2
Explanation: The mode is the most frequent value, which is 2.
Question 6
Question: Which graph is best for displaying the distribution of a single variable?
A) Scatter plot
B) Histogram
C) Bar chart
D) Pie chart
B) Histogram
Explanation: Histograms show frequency distribution of continuous data.
Question 7
Question: What is the range of the data set: 10, 15, 12, 18, 11?
A) 5
B) 6
C) 7
D) 8
D) 8
Explanation: Range = Max (18) - Min (10) = 8.
Question 8
Question: Which measure is resistant to outliers?
A) Mean
B) Median
C) Standard deviation
