Author Question: A simple random sample of 43 elements has been selected from a population of size 800 . The sample ... (Read 386 times)

debasdf · **on:** Jun 24, 2018

A simple random sample of 43 elements has been selected from a population of size 800 . The sample mean is 500, and the sample standard deviation is 60 . An approximate 95 confidence interval for the population total is _____.
a. 482 to 517
b. 385,759 to 414,241
c. 400,000 to 500,000
d. 350,000 to 450,000

Question 2

The units for the standard deviation are the same as the units for the original data (for example, feet, inches, etc.).
Indicate whether the statement is true or false