Author Question: The simple random sample is a subset of a frame, or of an associated population, chosen in such a ... (Read 106 times)

ETearle · **on:** Jul 24, 2018

The simple random sample is a subset of a frame, or of an associated population, chosen in such a fashion that every possible subset of like size has an equal chance of being selected.
Indicate whether the statement is true or false

Question 2

For a sample of size 20 taken from a normally distributed population with standard deviation equal to 5, a 90 confidence interval for the population mean would require the use of:
a. t = 1.328
b. t = 1.729
c. z = 1.96
d. z = 1.645
e. z = 2.58