A simple random sample of 64 observations was taken from a large population. The population standard deviation is 120 . The sample mean was determined to be 320 . The standard error of the mean is _____

a. 1.875
b. 40
c. 5
d. 15


d

Business

You might also like to view...

A teller's check is a:

A. check drawn by a bank on an individual's funds. B. draft drawn by a bank on any other financial institutions other than a bank. C. draft drawn by a bank on another bank or payable at or through a bank. D. draft on which the drawer or drawee are the same bank.

Business

In multiple regression, if the overall null hypothesis is rejected, ________

A) the mean value of the dependent variable will be different for different categories of the independent variable B) the means of the independent variables are not equal C) there is an association between the independent variables D) one or more population partial regression coefficients have a value different from 0

Business

The balances in the unadjusted columns of a work sheet will agree with:

A. the balances management budgeted for the accounting period. B. whatever balances management has decided to report. C. the balances in the company's post-closing trial balance. D. the balances reflected in the company's financial statements. E. the balances reflected in the company's unadjusted trial balance.

Business

One year many customers' machinery wears out and needs to be replaced. The following year no customers need new machinery. This is an example of ________ demand

A) inelastic B) fluctuating C) elastic D) consumer E) static

Business