Describing Data Review

What is the mean absolute deviation of Jerry's scores?

• 7.50

• 7.25

• 7.00

• 6.75

Which of the following equations could be the line of best fit?

• y = x + 100

• y = x – 100

• x = 100

• y = 100

Tags

CCSS.HSF.LE.B.5

What is the y-intercept in the line of best fit? What does the y-intercept represent in the scatter plot?

• 5.3; the temperature of the water before it is heated

• 5.3; the amount the temperature increases each minute

• 23; the temperature of the water before it is heated

• 23; the amount the temperature increases each minute

Tags

CCSS.HSF.LE.B.5

The class president collected data on 150 randomly selected 17-year-olds at his school. He surveyed students on if they had a job and driver’s license. The results are shown.

93 of the students had a job

128 of the students had a driver’s license

76 of the students had both a job and a driver’s license

Which two-way frequency table correctly summarizes the data?

• 
• 
• 
• 

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20

• y = -x + 19

• y = x + 20

• y = 2/3x + 15 

How many total did not attend the school play?

• 63

• 15

• 78

• 221

What would you divide to find the relative frequencies by row? (Select all that apply.)

• 55/118

• 55/143

• 88/103

• 88/143

What percent of people who attended the basketball game also attended the school play?

• 38%

• 47%

• 25%

• 54%

Tags

CCSS.6.RP.A.3C

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument

• Not play a team sport

• Play a team sport

• All of the above

What type of association does this graph have?

• positive 

• negative

• none

• all of the above