Question

30 random samples of high school students were asked if they played a sport for their high school. Each sample was 20 students. The dot plot represents the 30 random sample proportions.

Choose ALL that are correct.


A) A sample proportion of 0.20 means that 4 of 20 high school students responded that they play a sport.

B) Based on the sample distribution, the best prediction for the proportion of all high school students that play a sport is 0.10.

C) The mean of the 30 sample proportions calculated to the nearest hundredth is 0.16.

D) The shape of the sample distribution is fairly symmetrical.

Answer 1

Answer: a. This option is correct

b. This will be true only if we take the mode as the best representative value

c. This is a not correct choice

d. This option is correct

Step-by-step explanation: Took the test on USATest Prep