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Measures of Variability Test(2B)

Authored by Elizabeth Borres

Mathematics

11th - 12th Grade

CCSS covered

Used 10+ times

Measures of Variability Test(2B)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ms. Rork's class had a range of test grades from 78 to 97. She forgot to add in a student who got an 80% on the test. How will this affect the range?

Increase
Decrease
Stay the Same

Tags

CCSS.4.MD.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the first quartile?

4

5

6

7

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The double line plot shows the number of students who attended the home games of the baseball team for two recent seasons.  Which of the following statements is NOT true.

The median attendance for 2009 was less than the median attendance than 2010.
The attendance for 2010 was more consistent, so the MAD would be smaller than the MAD for 2009.
The attendance for 2009 was more consistent, so the MAD would be smaller than the MAD for 2010.
The attendance for 2010 ranged from 20-27.

Tags

CCSS.6.SP.B.5C

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The table shows the points earned by contestants in a competition. Find the range and the interquartile range of the points.

Range: 15; IQR: 13

Range: 15; IQR: 12

Range: 15; IQR: 11

Range: 15; IQR: 10

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

For a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, find the population standard deviation.

0.53

0.41

0.35

0.22

Tags

CCSS.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If test scores for a class are: 100, 100, 90, 90, 80, 80, 70, 70, 60, and 60, what are the mean and sample standard deviation?

mean = 80, stdev = 14.9

mean = 70, stdev = 14.9

mean = 80, stdev = 13.9

mean = 80, stdev = 12.9

mean = 85, stdev = 14.9

Tags

CCSS.HSS.MD.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A fitness instructor tested the arm strength of members of a fitness class to compare their scores to the national average. The test rated members on a scale from 1, the weakest, to 10, the strongest. The scores of 9 members are shown in the data set below.


4, 6, 6, 7, 7, 8, 8, 8, 9


The Mean Absolute Deviation (MAD) value of the data set is about 1.1. Tyler says that the lower the MAD value, the greater the variability. Is Tyler correct?

Yes

No

Tags

CCSS.6.SP.B.5C

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