Measure of Data

The diagram shows a dot plot of the shoe size of 16 students. What is the difference in the shoe size of the students?

• 2

• 4

• 16

• 13

The diagram shows the dot plot for the number of shoes students have. What is the most number of shoes that students have?

• 16

• 8

• 10

• 15

The diagram shows two dot plots of

the scores obtained by the students in 2 quizzes. Which quiz has a higher difference in value?

• Science quiz

• Mathematics quiz

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? (Use Desmos if needed)

• Set 1

• Set 2

• Set 3

• Set 4

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

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 furthest to the mean?

• 1

• 2

• 3

• 4

If a bowler needs to hit exactly 6 pins, which bowler is more reliable to hit that number?

• Bowler A

• Bowler B

• Both

• Neither

What does a standard deviation of 0 mean?

• There is no spread of data

• The spread of data is close to the mean

• The data is more spread out from the mean

• There is no mean

Which of the following is a measure of spread, or variability? (select all that apply)

• Interquartile Range

• Standard Deviation

• Mean

• Median

• MAD

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.

• 40.7 kg

• 40

• 41

• 50