Standard Deviation & Variance

Standard Deviation & Variance

11th Grade

10 Qs

quiz-placeholder

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Standard Deviation & Variance

Standard Deviation & Variance

Assessment

Quiz

Mathematics

11th Grade

Easy

Created by

Susana Lau

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

1
2
3
4

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

Set 1
Set 2
Set 3
Set 4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the standard deviation of a data set is 4, what is the variance?

2
16
4

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

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

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?

0.53

0.41

0.35

0.22

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

Variance
Standard Deviation
Mean Absolute Deviation
Sigma

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does variance represent?

How many different variations are in the data set.

How the population varies compared to the sample.

How spread out each data value is from the mean.

The range, but with a bunch of other stuff going on.

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