Question

こまつな

統計の問題です。
この問題の解き方がどうしてもわからないです💦
答えだけでもいいので教えていただけませんか？

Assignment 3 (From Lecture 4, 5.)<
Suppose we get samples from a population with a distribution of 300 mean and 20 standard
deviations. In this case, answer the following questions.<
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(1) What will be the sample distribution of the sample mean when the sample size is 400?<
(2) What will be the sample distribution of the sample mean when the sample size is 1600?<
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