Math 4 Quiz (11/15)

Jade subtracted the smallest value from the largest value in the data set. What statistic was she calculating?

• standard deviation

• range

• variance

• mean

The middle value in a data set when the numbers are listed in order is referred to as the ________.

• mean

• median

• mode

• center

Tags

CCSS.7.EE.B.3

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 median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

The number of text messages that Isaac received each day for a week is shown: 47, 49, 54, 50, 48, 47, 55
What is the mean and median

• Mean=49
  Median=54
• Mean=49 
  Median=50
• Mean=50 
  Median=54
• Mean=50
  Median=49

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Tags

CCSS.7.EE.B.3

It is a measure of variability that you get when you subtract the smallest number in a set of data from the largest number.

• mean

• median

• mode

• range

If you compare the medians of each data set, who spends more time online?

• Seventh graders

• Eight graders

• Both grades spend an equal amount of time online.

• Impossible to determine form the data sets.

Joaquin and Trisha are playing a game in which the lower median wins the game. Their scores are shown below.

Joaquin’s scores: 75, 72, 85, 62, 58, 91

Trisha’s scores: 92, 90, 55, 76, 91, 74

Which supports the conclusion that Joaquin won the game?

• Joaquin won because the median of his scores is 73.5 and the median of Trisha’s scores is 83.

• Joaquin won because the median of his scores is 83 and the median of Trisha’s scores is 73.5.

• Trisha won because the median of her scores is 73.5 and the median of Joaquin’s scores is 83.

• Trisha won because the median of her scores is 83 and the median of Joaquin’s scores is 73.5.