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Suppose you have the average price for a sample of ice cream products at 41 different stores in...

label Statistics
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Suppose you have the average price for a sample of ice cream products at 41 different stores in the valley. Suppose that the population standard deviation for the prices is 1.3. If the population mean is 4.5, what is the z value for a sample average of 4? Answer to two decimal places.

Oct 20th, 2017

xbar 4
mu 4.5
sigma 1.3
n 41
Std error 0.203026
z -2.46274
z = -2.46

Mar 31st, 2015

I want your total satisfaction and best rating. If you have any query, please get in touch with me.

Mar 31st, 2015

Since there is no response from your end,  I shall go to sleep.

Wish you all the best.

Mar 31st, 2015

Anticipating your query, I furnish this also, though i had submitted the answer within the stipulated time

z value =(xbar-mu)/standard error=(4-4.5)/0.203

Mar 31st, 2015

Thank you very much

Mar 31st, 2015

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