SAT - Math - Tables and statistics

Which of the following is true regarding the two lists of numbers shown in the table above?

• The means are the same, and the standard deviations are the same.

• The means are the same, and the standard deviations are different.

• The means are different, and the standard deviations are the same

• The means are different, and the standard deviations are different.

The given bar graph shows the number of units sold per popcorn flavor in one morning at the local farmers market. For which two popcorn flavors is the ratio of the number of units sold 1:5?

• Lightly salted:kettle corn

• Kettle corn:cheese

• Jalapeño :butter

• Cheese:butter

Rigo played 30 frames of five-pin bowling. Based on the given histogram, what was Rigo’s average number of pins knocked down per frame?

Tags

CCSS.6.SP.B.5C

If to correct for an error, the score for Team Archers was changed to 251, how does the change affect the mean and median score of the teams?

• Mean and median will both decrease.

• Mean will decrease, and median will increase.

• Mean will increase, and median will decrease.

• Mean and median will both increase.

The given bar graph shows the average number of donated items per week at a thrift store for four categories. What is the positive difference between the median and the mean number of items donated per category?

A gas station records the number of gallons of regular unleaded fuel dispensed over two weeks. The graph shows the number of gallons of fuel as a function of cost per gallon. For which price bracket is the range of gallons dispensed the greatest?

• $2.85 to $2.91

• $2.91 to $2.94

• $2.94 to $3.03

• $3.03 to $3.06

Tags

CCSS.HSF.IF.B.4

Which age group’s ratio of action to romance is closest to the total’s ratio of action to romance?

• 15–24

• 25–34

• 35–44

• 45–54

Tags

CCSS.8.SP.A.4

Two companies each randomly selected 25 employees and asked each of them how many vehicles they own. The results are shown in the table above. If there are a total of 575 employees at Company A and 825 employees at Company B, which of the following statements is most accurate?

• The total number of employees who own 3 vehicles at Company A is expected to be 2 more than at Company B.

• The total number of employees who own 3 vehicles at Company A is expected to be 36 more than at Company B.

• The total number of employees who own 3 vehicles at Company B is expected to be 36 more than at Company A.

• The total number of employees who own 3 vehicles is expected to be equal at the two companies.

Tags

CCSS.7.SP.A.2