Data and Statistics Quick Check

The range of number of minutes outside is the same in the summer and the winter.

• The range of number of minutes outside is the same in the summer and in the winter.

• The median number of minutes outside in the summer is equal to the maximum number of minutes outside in the winter.

• The interquartile range for the number of minutes outside is the same in the summer and in the winter.

• The minimum number of minutes outside in the summer is the same as the first quartile in the winter.

• Women who live in the US

• People who are registered to vote in the US.

• Europeans who vacation in the US.

• Students who attend public schools in the US.

• 65% of the customers are unsatisfied with the helpfulness of the bank.

• 26% of the customers are unsatisfied with the helpfulness of the bank.

• 40% of the customers are satisfied with the helpfulness of the bank.

• Of the 800 customers, 520 would be satisfied with the helpfulness of the bank.

According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?

• 85 adults

• 340 adults

• 500 adults

• 425 adults

Tags

CCSS.6.RP.A.3C

A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?

• 40 students

• 200 students 

• 320 students

• 8,000 students

Tags

CCSS.7.RP.A.3

A coin was tossed 80 times, out of which it landed on heads 60 times. What is the relative frequency of the coin toss resulting in tails?

• 20%

• 25%

• 50%

• 75%

What is the difference in the IQRs?

• 1

• 2

• 3

• 4

What percent of students have heights between 60 inches and 66 inches?

• 75%

• 50%

• 100%

• 25%

Find the Mean. 

• 5.8

• 5

• 5.6

• 6

Gio surveys 40 Quick Trip employees. He reports that 5 out of 15 fast-food employees are satisfied with their hourly pay rate. What percentage of employees are happy with their pay rate?

• 40%

• 33%

• 12.5%

• 38%