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- 1. Multiple Choice
Find the range of the data.
63, 71, 65, 66, 87, 53
32
33
34
35
- 2. Multiple Choice
Find the range of the data.
16, 28, 6, 19, 21, 15, 22, 33, 17
18
27
30
12
- 3. Multiple Choice
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
- 4. Multiple Choice
Find the median, first quartile, third quartile, and interquartile range of the data.
203, 183, 212, 181, 157, 204, 189, 190
Median: 189
First Quartile: 182
Third Quartile: 203
IQR: 21
Median: 189.5
First Quartile: 182
Third Quartile: 203
IQR: 21
Median: 189
First Quartile: 182
Third Quartile: 203.5
IQR: 21.5
Median: 189.5
First Quartile: 182
Third Quartile: 203.5
IQR: 21.5
- 5. Multiple Choice
Find the median, first quartile, third quartile, and interquartile range of the data.
23, 33, 25, 16, 27, 43, 29, 40, 35
Median: 29
First Quartile: 24
Third Quartile: 37.5
IQR: 13.5
Median: 27
First Quartile: 25
Third Quartile: 35
IQR: 10
Median: 29
First Quartile: 25
Third Quartile: 37.5
IQR: 12.5
Median: 27
First Quartile: 24
Third Quartile: 35
IQR: 11
- 6. Multiple Choice
What are the correct expressions for using the IQR to determine if there is an outlier that is a lot less and a lot greater than the other values. Hint: Choose 2 expressions.
Q1 - 1.5(IQR)
Q3 - 1.5(IQR)
Q1 + 1.5(IQR)
Q3 + 1.5(IQR)
- 7. Multiple Choice
Use the interquartile range to identify any outliers in the following data.
23, 22, 25, 16, 27, 43, 29, 40, 35
No outliers.
43 is an outlier.
- 8. Multiple Choice
Use the interquartile range to identify any outliers in the following data.
52, 63, 55, 56, 62, 54, 59, 60, 53, 61, 88
No outliers.
88 is an outlier.
- 9. Multiple Choice
Use the interquartile range to identify any outliers in the following data.
32, 53, 72, 66, 47, 54, 49, 67, 71
No outliers.
32 is an outlier.
- 10. Multiple Choice
The table shows the ages of automobiles in the parking lot. The range of the ages is 12 years. Find the missing age.
12
13
14
15
- 11. Multiple Choice
The table shows the swim times for the swimmers in the final heat. Find and interpret the interquartile range of the swim times.
The middle quarter of the swim times vary by no more than 1 second.
The middle half of the swim times vary by no more than 1 second.
The middle quarter of the swim times vary by no more than 1.2 seconds.
The middle half of the swim times vary by no more than 1.2 seconds.
- 12. Multiple Choice
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
- 13. Multiple Choice
The table shows the number of minutes sixth-graders spend reading each night. What percent of the students read less than 19 minutes?
25%
50%
75%
100%
- 14. Multiple Choice
The table shows the number of minutes sixth-graders spend reading each night. What percent of the students read more than 25 minutes?
25%
50%
75%
100%
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