
Statistics Problems with Outliers
Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium

Blair Roberts
Used 2+ times
FREE Resource
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 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?
2.
MULTIPLE CHOICE QUESTION
10 mins • 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?
3.
MULTIPLE CHOICE QUESTION
10 mins • 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)?
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Jacob recorded the ages of the people at a picnic. The data set is listed below.
12, 12, 14, 15, 16, 20, 24, 28, 32, 35, 36
What effect does the arrival of Jacob’s 72-year old grandfather have on the mean age of people at the picnic?
It increases by about 4.2.
It increases by about 6.6.
It decreases by about 4.2.
It decreases by about 6.6.
5.
MULTIPLE CHOICE QUESTION
10 mins • 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?
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
The salaries of the employees in a company are listed below:
$28,000 $45,000
$31,000 $42,000
$55,000 $72,000
$88,000 $53,000
If $88,000 was found to be an outlier, which salary would be the new maximum?
$55,000
$28,000
$88,000
$72,000
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
How do you find the median of a data set that has two middle numbers?
You pick the higher middle number
You pick the lower middle number
Add the two middle numbers and divide it by 2
Subtract the two middle numbers and divide by 2
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