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.
1 answer:
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
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