Question

In a class of 15 students, each student has a different test score. The median test score is 79. How many students scored higher than 79?

A 6

B 7

C 8

D 9

Answer 1

Let's say the scores are represented by the letters A through O in ascending order.

A B C D E F G H I J K L M N O

The median is the middle value. In this case, the median is H. That means there are 7 grades above the median and seven grades below the median.

Answer 2

Jeremy plays soccer. He scores a goal in 40% of his games. Jeremy wants to design a simulation using a spinner to predict the probability that he will score a goal in 8 out of 10 games. Which simulation design has an appropriate device and a correct trial?

A Divide a spinner into 5 equal sections labeled 1, 2, 3, 4, and 5. Spin the spinner 8 times.

B Divide a spinner into 5 equal sections labeled 1, 2, 3, 4, and 5. Spin the spinner 10 times.

C Divide a spinner into 4 equal sections labeled 1, 2, 3, and 4. Spin the spinner 8 times.

D Divide a spinner into 4 equal sections labeled 1, 2, 3, and 4. Spin the spinner 10 times.