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.
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:
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