The Sampling Distribution of the Sample Mean

Statistics
Tutor: None Selected Time limit: 1 Day

A population has mean 1,542 and standard deviation 246.
Find the mean and standard deviation of X− for samples of size 100.

Mar 10th, 2015

The sample mean is the population mean: 1542.

The standard deviation of the sample mean (called the "standard error") is 

population standard deviation / sqrt(sample size)

= 246 / sqrt(100)

= 24.6

Mar 10th, 2015

Studypool's Notebank makes it easy to buy and sell old notes, study guides, reviews, etc.
Click to visit
The Notebank
...
Mar 10th, 2015
...
Mar 10th, 2015
Mar 23rd, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer