Mad, Variance, and Standard Deviation
Authored by Elizabeth Borres
Mathematics
11th - 12th Grade
CCSS covered
Used 50+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the IQR number of miles Jenna cycled?
24
17
6
52
Tags
CCSS.6.SP.B.5C
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If the standard deviation of a data set is 10, what is the variance?
20
100
2.5
10
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?
511.33
22.61
438.48
20.94
Tags
CCSS.HSS.ID.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the population variance of Ervin's scores?
511.33
22.61
438.29
20.94
Tags
CCSS.HSS.ID.A.2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The number of goals scored by seven forwards in one soccer season were 8, 6, 4, 8, 3, 1, and 5. Find the mean absolute deviation (MAD) of goals scored by the seven forward.
2
10
3
5
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
CCSS.6.SP.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between the formulas for population variance and sample variance?
The sample variance is the square root of the population variance.
The population variance divides the sum of the squares by n-1, while sample divides by N.
The population variance divides the sum of the squares by N, while sample divides by n-1.
There is no difference.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The masses of six children are 34.5 kilograms, 42.6 kilograms, 39.8 kilograms, 40.1 kilograms, 53.4 kilograms, and 33.8 kilograms. Find the mean mass.
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
CCSS.6.NS.B.3
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