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GMAT Statistics DS practice questions

Statistics DS is a high-yield GMAT topic. Work through these practice questions to build accuracy and speed before test day.

Free Statistics DS practice

5 sample questions

Practice Question 1easyData Sufficiency

What was the median box office revenue, in millions of dollars, for the five films produced by Studio X last year?

(1)

The total revenue from the five films was $125 million, the two highest-grossing films together generated $65 million, and the two lowest-grossing films together generated $35 million.

(2)

The average (arithmetic mean) revenue per film for the five films was $25 million.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 2easyData Sufficiency

A studio released Film A and Film B last weekend. What was the average revenue per theater for Film A?

(1)

The total revenue from Film A was $40 and it was shown in 10 theaters.

(2)

The combined revenue from both films was $60 and the combined number of theaters for both films was 15.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 3easyData Sufficiency

What was the average (arithmetic mean) revenue, in millions of dollars, for the five films released by the studio last year?

(1)

The revenues of the five films were consecutive integers, and the highest revenue was $42 million.

(2)

The median revenue for the five films was $40 million.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 4easyData Sufficiency

A basketball team played n games. What was the average number of points per game the team scored?

(1)

The team scored a total of 100 points.

(2)

The number of games played is either $\sqrt{100}$ or $\sqrt{400}$ .

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

Practice Question 5mediumData Sufficiency

What was the average number of passengers per bus on Route A last Monday?

(1)

The average number of passengers per bus for both routes combined was 42.

(2)

The average number of passengers per bus on Route B was 30, the total passengers on Route A and Route B were in the ratio of 207 to 500, and the number of buses on Route A and Route B were in the ratio of 1 to 100.

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

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GMAT Statistics DS practice questions

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