9.1-9.9

9.1-9.9

Fill in the Blanks

How many festivals were there according to the histogram?

Multiple Choice

Which group has the higher median?

• The Cruisers

• The Car Hops

• They are the same

Multiple Choice

Which group has the larger IQR?

• The Cruisers

• The Car Hops

• They are the same

Multiple Choice

Which group has the larger range?

• The Cruisers

• The Car Hops

• They are the same

Multiple Choice

Given the following distributions, which has the highest median?

• Red (top)

• Purple (middle)

• Black (bottom)

Multiple Choice

Given the following distributions, which has the smallest IQR?

• Red (top)

• Purple (middle)

• Black (bottom)

Multiple Select

Which option below is not an outlier if Q1 = 53 and Q3=61?

• 72

• 40

• 80

• 73.5

Multiple Choice

Describe the data distribution shape of the graph.

• Skewed right

• Skewed left

• Uniform

• Symmetrical

Multiple Choice

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric or bell

• uniform

Multiple Choice

Type of Data arrangement

• Symmetrical

• uniform

• Skewed Right

• Skewed Left

Multiple Choice

What is the percentage of data that falls within one standard deviation of the mean?

• 67%

• 65%

• 72%

• 68%

Multiple Choice

What is the percentage of data that falls within two standard deviations of the mean?

• 68%

• 99.7%

• 95%

• 98%

Multiple Choice

What is the percentage of data that falls within three standard deviations of the mean?

• 99.7%

• 98.7%

• 95%

• 100%

Multiple Choice

This data is normally distributed. What percent of the data is in the shaded region?

• 5%

• 95%

• 2.5%

• 50%

Multiple Choice

This data is normally distributed. What percentage of the data is in the shaded region?

• 68%

• 34%

• 17%

• 50%

Fill in the Blanks

Students take a math test.

Student A got a 76 with a class mean of 70 and a standard deviation of 3.

Student B got a 105 with a class mean of 97 and a standard deviation of 5.

Find the z-score for Student A.

Fill in the Blanks

Students take a math test.

Student A got a 76 with a class mean of 70 and a standard deviation of 3.

Student B got a 105 with a class mean of 97 and a standard deviation of 5.

Find the z-score for Student B.

Multiple Choice

Students take a math test.

Student A got a 76 with a class mean of 70 and a standard deviation of 3.

Student B got a 105 with a class mean of 97 and a standard deviation of 5.

Which student did better relative to their class?

• Student A

• Student B

• They did the same

Multiple Choice

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last 6 days or less?

• 68%

• 97.72%

• 5%

• 2.28%

Fill in the Blanks

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

What percent of the products last between 7 and 10 days? (do not put % sign)

Fill in the Blanks

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

What percent of the products last more than 16 days?