A researcher initially plans to take an SRS of size 160 from a certain population and calculate the sample mean. Later, the rese

Question

3 years ago

10

A researcher initially plans to take an SRS of size 160 from a certain population and calculate the sample mean. Later, the rese

archer decides to increase the sample size so that the standard deviation of the sampling distribution of will be half as big as when using a sample size of 160.
What sample size should the researcher use?

Mathematics

1 answer:

lara [203] · Answer 1 · 2022-03-30T15:35:16+03:00

lara [203]3 years ago

3 0

Answer:

640

Step-by-step explanation: