These are easy and multiple choice so please answer them all

These are easy and multiple choice so please answer them all.

1. Based on the frequency polygon of test scores displayed below, _____.

a. Nobody scored below a 55

b. Nobody scored a 0

c. The most common score was a 75

d. Everyone got a perfect score

2. Response times were generally shorter to the:

a. Large target

b. Small target

3. This bar chart shows percent increase in consumer price index for four, three-month periods ending the date shown, In which quarter did the CPI increase SECOND-MOST?

a. the quarter ending July 2000

b. the quarter ending October 2000

c. the quarter ending January 2001

d. the quarter endinig April 2001

12. For the following histogram of test scores,the majority of test scores came between:

a. 39.5 and 49.5

b. 89.5 and 99.5

c. 79.5 and 89.5

d. 159.5 and 169.5

160 140 120 100 40 20 35 45 55 65 75 85 95 105 115 125 135 145 155 165 175 Test Score

Solution

1.

Minimum score is 35 so nobody score zero. And the mot common score is 85. Hence, option (b) is correct.

2.

Small target

3.

July 2000 bar is second largest so a. the quarter ending July 2000 is correct.

12.

The bar between 79.5 and 89.5 is largest so the majority of test scores came between 79.5 and 89.5.