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.

... both samples are from populations having different variances. b) Test with α =0.05 whether there is a difference between the population mean dollar amounts ...

... Use a 0.10 level to test the claim that the population mean weight of all such employees is less than 200 lb. ... H1: The population mean weight > 14oz. ...

... Several need to be answered with Excel. 1. If sample mean = 85, and n=64, construct a 95% confidence interval estimate for the population mean, mu. ...

... is telephone or an auto- different from the mean rate of ... In addition there are two independent populations. ... represent one those who read the population and the ...

... how the sample means tend to cluster around the population mean. ... physical impossibility of checking all items in the population. Some populations are infinite. ...

... a. What is the value of the population mean? ... e. Would it be reasonable to conclude that the population mean is 63 pounds? The solution file is attached. ...