Frequency Distributions

The table above shows a cumulative frequency distribution of runners' ages. According to the table, how many runners are in their forties?

• 25

• 7

• 6

• 10

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

Which of the following statements shows a relationship that is correlated but not causal?

• As the temperature rises, more mercury is in a thermometer and it will expand and rise.

• The season of the year and the number of water related injuries/deaths

• The number of tardies to class and the number of detentions received.

• The larger the dimensions of a rectangular patio, the more square footage there will be.

Tags

CCSS.HSS.ID.C.9

Which of these has a positive trend?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.7

Which of these has no trend?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above.

Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

A survey is being conducted to determine which types of television programs people watch. Which survey and location combination would likely contain the MOST bias?

• surveying 10 people who work in a sporting goods store

• surveying the first 25 people who enter a grocery store

• randomly surveying 50 people during the day in a mall

• randomly surveying 75 people during the day in a clothing store

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Which of the following data sets has no mode?

• {2,3,4,4,5}

• {3,4,5,6,7}

• {7,7,8,9,9}

• {1,1,4,5,7}

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.3

A movie theater recorded the number of tickets sold daily for a popular movie during the month of June. The box-and-whisker plot shown above represents the data for the number of tickets sold, in hundreds.

Which conclusion can be made using this plot?

• The second quartile is 600

• The mean of the attendance is 400

• The range of the attendance is 300 to 600

• Twenty-five percent of the attendance is between 300 and 400

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

Within what frequency range did most students pay for their textbooks?

• 80-99

• 100-109

• 110-119

• 120-129

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.ID.A.1

CCSS.HSS.IC.B.4