Mean and Outliers

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
The mean will decrease
The median will decrease
The mean will increase
The median will increase
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the following data set
6, 9, 12, 14, 7, 9, 6, 8, 25, 12, 14
What is the mean of the data set without the outlier(s)?
9.2
9.7
11.1
12.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table below shows the lengths of fences a company installed during a week.
Which statement is true?
The 275-foot fence caused the mean to be significantly lower than the median.
The 275-foot fence caused the median to be significantly lower than the mean.
The 2,250-foot fence caused the mean to be significantly greater than the median.
The 2,250-foot fence caused the median to be significantly greater than the mean.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A bowler had the following scores after 5 games:
196, 205, 197, 280, and 202.
How much does the bowler’s mean score increase if the outlier is considered, compared to if the outlier is not considered?
13
16
19
22
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a student with a GPA of 1.5 is added to the group, how would the mean and median be affected?
The mean and median would stay the same.
The mean would decrease and the median would stay the same.
The mean would stay the same the median would decrease.
The mean and median would decrease.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?
Only the range was affected.
The median increased, and the range increased.
The mean increased, and the range increased.
The mean decreased and the range increased.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?
The low score causes the median to increase.
The low score causes the median to decrease.
The low score causes the mean to increase.
The low score causes the mean to decrease.
Create a free account and access millions of resources
Similar Resources on Wayground
23 questions
Measures of Central Tendency

Quiz
•
9th - 12th Grade
15 questions
Mean Median Mode Iqr Outliers

Quiz
•
10th Grade - University
17 questions
Best Measure of Center Given an Outlier

Quiz
•
7th Grade - University
15 questions
Statistics Vocabulary

Quiz
•
6th Grade - University
15 questions
Statistics Outliers

Quiz
•
8th Grade - University
16 questions
Comparing Distributions and Finding Outliers

Quiz
•
10th - 12th Grade
20 questions
Data Analysis

Quiz
•
9th - 12th Grade
19 questions
Quartiles, IQR, Outliers

Quiz
•
9th - 12th Grade
Popular Resources on Wayground
18 questions
Writing Launch Day 1

Lesson
•
3rd Grade
11 questions
Hallway & Bathroom Expectations

Quiz
•
6th - 8th Grade
11 questions
Standard Response Protocol

Quiz
•
6th - 8th Grade
40 questions
Algebra Review Topics

Quiz
•
9th - 12th Grade
4 questions
Exit Ticket 7/29

Quiz
•
8th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
19 questions
Handbook Overview

Lesson
•
9th - 12th Grade
20 questions
Subject-Verb Agreement

Quiz
•
9th Grade