Explore BrainMass
Share

Expected Value of Mean and Standard Deviation

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

A simple random sample of 6 recent graduates revealed the following information about their weekly incomes.

Graduates Weekly Income
A $250
B 270
C 285
D 240
E 255
F 290

a. What is the expected value of the average weekly income of all the recent graduates?
b. What is the expected value of the standard deviation for the population?

© BrainMass Inc. brainmass.com March 21, 2019, 11:32 pm ad1c9bdddf
https://brainmass.com/statistics/central-tendency/expected-value-mean-standard-deviation-462004

Solution Summary

This solution is comprised of detailed step-by-step calculation and analysis of the given problem and provides students with a clear perspective of the underlying concept.

$2.19