(b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let x be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of for a sample size of: i. 7. i. 480.

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Chapter1: Combinatorial Analysis
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(b)
The average weight of 600 students who were taking IQ test was
38.20 kg with a standard deviation of 15.32 kg. Let i be the
average weight for a random sample of certain students selected
from this school. Find the mean and standard deviation of x for a
sample size of:
i.
7.
i.
480.
Transcribed Image Text:(b) The average weight of 600 students who were taking IQ test was 38.20 kg with a standard deviation of 15.32 kg. Let i be the average weight for a random sample of certain students selected from this school. Find the mean and standard deviation of x for a sample size of: i. 7. i. 480.
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