SAT Prep: Problem Solving and Data Analysis

• The standard deviation of quiz scores in Class A is smaller.

• The standard deviation of quiz scores in Class B is smaller.

• The standard deviation of quiz scores in Class A and Class B are the same.

• The relationship cannot be determined from the information.

On Thursday, 240 adults and children attended a show. The ratio of adults to children was 5 to 1. How many children attended the show?

• 40

• 48

• 192

• 200

A furniture store buys its furniture from a wholesaler. For a particular table, the store usually charges its cost from the wholesaler plus 75%. During a sale, the store charged the cost from the wholesaler plus 15%. If the sale price of the table was $299, what is the usual price for the table?

• $359

• $455

• $479

• $524

Tags

CCSS.7.EE.B.4A

On an architect's drawing of the floor plan for a house, 1 inch represents 3 feet. If a room is represented on the floor plan by a rectangle that has sides of lengths 3.5 inches and 5 inches, what is the actual floor area of the room, in square feet?

• 17.5

• 51.0

• 52.5

• 157.5

Tags

CCSS.7.G.A.1

A community center offers a Spanish course. This year, all students in the course were offered additional audio lessons they could take at home. The students who took these additional audio lessons did better in the course than students who didn't take the additional audio lessons. Based on these results, which of the following is the most appropriate conclusion?

• Taking additional audio lessons will cause an improvement for any students who takes any foreign language couse.

• Taking additional audio lessons will cause an improvement for any student who takes a Spanish course.

• Taking additional audio lessons was the cause of the improvement for the students at the community center who took the Spanish course.

• No conclusion about cause and effect can be made regarding students at the community center who took the additional audio lessons at home and their performance in the Spanish course.

Tags

CCSS.RI.11-12.2

CCSS.RI.8.1

CCSS.RI.9-10.1

CCSS.RL.11-12.1

CCSS.RL.9-10.1

Scientists estimate that the Pacific Plate, one of Earth's tectonic plates, has moved about 1,060 kilometers in the past 10.3 million years. What was the average speed of the Pacific Plate during that time period, in centimeters per year?

• 1.03

• 10.3

• 103

• 1,030

Tags

CCSS.7.NS.A.3

• The segment from (17, 6) to (19, 8).

• The segment from (19, 8) to (34, 8).

• The segment from (34, 8) to (35, 6).

• The segment from (35, 6) to (54, 6).

A bank has opened a new branch and, as part of a promotion, the bank branch is offering $1,000 certificates of deposit at simple interest of 4% per year. The bank is selling certificates with terms of 1, 2, 3, or 4 years. Which of the following functions gives the total amount, A, in dollars, a customer will receive when a certificate with a term of k years is finally paid?

• A=1,000(1.04k)

• A=1,000(1+0.04k)

• A=1,000(1.04)^k

• A=1,000(1+0.04^k)

Tags

CCSS.HSF-BF.A.1A