Describe Data Distributions
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Anthony Clark
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Given the data set below:
15, 56, 58, 60, 63, 75, 80, 80, 85
How does the outlier affect the distribution of the data?
The outlier skews the distribution to the left.
The outlier skews the distribution to the right.
The outlier makes the distribution more symmetrical.
The outlier has no effect on the distribution.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the median, first quartile, third quartile, and interquartile range of the data.
32, 53, 72, 66, 47, 54, 49, 67, 71
Median: 54
First Quartile: 49
Third Quartile: 67
IQR: 18
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 21
Median: 54
First Quartile: 48
Third Quartile: 69
IQR: 22
Median: 54
First Quartile: 49
Third Quartile: 69
IQR: 20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The table shows the points earned by contestants in a competition. Find the range and the interquartile range of the points.
Range: 15
IQR: 10
Range: 15
IQR: 11
Range: 15
IQR: 12
Range: 15
IQR: 13
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the interquartile range (IQR)?
4
64
60
8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the center and spread of the data using either the mean and standard deviation or the five-number summary.
Skewed so use the Mean and Standard Deviation.
Mean: 50.5
Standard Deviation: 12.5
Symmetric so use the Mean and Standard Deviation.
Mean: 50.5
Standard Deviation: 12.5
Symmetric so use the Five Number Summary.
Minimum: 25
Quartile 1: 45
Median: 50
Quartile 3: 57.5
Maximum: 76
Skewed so use the Five Number Summary.
Minimum: 25
Quartile 1: 45
Median: 50
Quartile 3: 57.5
Maximum: 76
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the clusters in this distribution.
There is a cluster from 16-21.
There is no cluster because the data is all together.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the gaps in the distribution.
There are no gaps in the data.
There is a gap at 15
There is a gap at 22
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