# Population Mean

Not what you're looking for?

Q5: A group of poker players are profile in this month's magazine. The table below lists their name and average winnings per tournament. Consider this to be a population.

Player Average Winnings

Seattle Slim $27000

KC Kate $33000

Minnesota Mel $45000

Gotham City Graced $35000

The Player $60000

a) find the mean and standard deviation of this population.

b) List all possible samples of size 2.

c) Find the sample average for each sample.

d) Find x-bar

e) What is the arithmetic difference between µ and µ-x-bar?

f) Will this always be true?

g) Should the small population/large sample adjustment factor be used in this case? Show why or why not.

h) Find ơ x-bar.

See attached file for full problem description.

##### Purchase this Solution

##### Solution Summary

To show that population mean is equal to mean of sample mean.

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.