Assessing Normality

Assessing Normality

11th - 12th Grade

16 Qs

quiz-placeholder

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Assessing Normality

Assessing Normality

Assessment

Quiz

Mathematics

11th - 12th Grade

Hard

Created by

Kelly Downs

Used 13+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a graph of quantitative data looks symmetric, single peaked, and bell-shaped, then the distribution is approximately normal. We don't need to check anything else.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the mean and median of a data set are roughly equal, then the data is probability symmetric, but not necessarily normal.

True

False

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Does this dotplot lead you to believe that the distribution is approximately normal?

Yes, the graph is symmetrical, single peaked and bell-shaped.

No, the graph is skewed right.

No, the graph is skewed left.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Here are the ages of 10 people at a party. 14 14 18 18 19 21 35 42 65 80 Calculate the mean and median using a statistical calculator or by hand. Are they close?

Mean = 20, Median = 32.6 They are not close

Mean = 35, Median = 19 They are not close

Mean = 31, Median = 29 They are close

Mean = 32.6, Median = 20 They are not close

Mean = 19.8, Median = 21 They are close

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Here are the ages of 10 people at a party. 14 14 18 18 19 21 35 42 65 80 In the last question, the mean was found to be 32.6 and the median was 20. Since the mean is quite a bit higher than the median, what is most likely the shape of the distribution of ages?

Symmetric

Uniform

Skewed Left

Skewed Right

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Here are the ages of 10 people at a party. 14 14 18 18 19 21 35 42 65 80 In your notebook, make a dot plot of the data. What shape does it have? Note: This answer should be the same as the last question!

Symmetric

Skewed Left

Skewed Right

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The following data set of 10 values has a mean = 10 and a SD = 6.77 2 2 4 4 10 10 15 15 19 19 Create the interval MEAN +/- 1 SD by subtracting 6.77 from the10 to get the low end and then adding 6.77 to 10 to get the high end.

3.23 to 16.77

3.54 to 9.56

2.15 to 10.28

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