The file Salaries contains the annual salary for all faculty at a small state college in the

Question:

The file Salaries contains the annual salary for all faculty at a small state college in the Midwest. Assume that these faculty salaries represent the population of interest.
a. Compute the population mean and population standard deviation.
b. Develop a frequency distribution of these data using 10 classes. Do the population data appear to be normally distributed?
c. What is the probability that a random sample of 16 faculty selected from the population would have a sample mean annual salary greater than or equal to $56,650?
d. Suppose the following 25 faculty were randomly sampled from the population and used to estimate the population mean annual salary:
The file Salaries contains the annual salary for all faculty

What would the sampling error be?
e. Referring to part d, what is the probability of obtaining a sample mean smaller than the one obtained from this sample?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

Question Posted: