Statistics & sampling

Missy rolls two 6-sided number cubes labeled 1–6. What is the probability that both number cubes land on a prime number?

• $\frac{1}{36}$

• $\frac{1}{4}$

• $\frac{1}{3}$

• $\frac{1}{2}$

Allie is deciding when to take her vacation. She wrote each month of the year on a separate piece of paper and put the pieces in an envelope. The table shows the results of picking a piece of paper from the envelope.

What is the experimental probability that Allie will take her vacation during a month that starts with a J?

• $\frac{13}{100}$

• $\frac{7}{50}$

• $\frac{19}{100}$

• $\frac{23}{100}$

Tags

CCSS.7.SP.C.6

Band members are selling magazines to raise $150 for a school dance. The bar graph shows the amount of the sales so far. How much more money do the band members need to raise?

• $10

• $20

• $130

• $280

Tags

CCSS.3.MD.B.3

Marie took a poll of the time students in her class went to bed last night. The dot plot shows the results of Marie’s poll. How many more students went to bed before 9:30 P.M. compared to the number of students that went to bed at 9:30 P.M. or later?

• 1 student

• 6 students

• 9 students

• 16 students

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

The double box plot shows the cost of the top-selling lunch menu items at two local restaurants. Determine which inference is true about the two populations.

• The spread of the data for Sophie’s Café is greater than that for The Red Brick Grill.

• The spread of the data for The Red Brick Grill is greater than that for Sophie’s Café.

• The data for The Red Brick Grill and Sophie’s Café are symmetrical.

• The median prices are the same for The Red Brick Grill and Sophie’s Café.

Tags

CCSS.7.SP.B.4

The median prices are the same for The Red Brick Grill and Sophie’s Café.

• 143 students
  

• 325 students
  

• 195 students
  

• 338 students
  

Tags

CCSS.6.SP.B.5C

The circle graph shows the results of a poll in which 3,000 employees responded. Predict how many more of the 92,000 employees would prefer a bonus check to a weekend getaway for their performance.

• 15, 640 employees

• 30,360 employees

• 32,200 employees

• 47,840 employees

Tags

CCSS.6.RP.A.3C

The dot plot shows the number of hours students spent last week on social networking sites. Which is NOT an inference that can be made about the two populations?

• Females typically spend more time than males on the sites.

• Females typically spend less time than males on the sites.

• The range for males is greater than the range for females.

• The interquartile range for the males is 4 hours.

Tags

CCSS.7.SP.B.4