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PSY207AFallworksheet

# PSY207AFallworksheet - Name Circle Lab A2 Mon at 10 Person...

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1 Name __________________________________________ Person Number ______________________________ Circle Lab: A2 Mon at 10 A1 Wed at 2:00 A3 Fri at 11 A4 Fri at 12 In-class exercise: A look at possible samples (when we know all of the scores in a population) Population A : 1 2 3 N = _____ µ = ________ σ = ________ What are all of the possible samples if n = 1 ? What are the corresponding sample means? ____ ____ ____ ____ ____ ____ Please finish filling-in the labels, and fill-in the squares with the corresponding frequencies. f 2 Mean of the sample means = ________ 1 Standard deviation of the sample means = ________ ____ ____ ____ __ M σ / n = ________ What are all of the possible samples if n = 2 ? (Assume replacement. Note that order matters.) __1 _,_1 __ ____,____ ____,____ ____,____ ____,____ ____,____ ____,____ ____,____ ____,____ What are the corresponding sample means? ________ _________ ________ _________ ________ _________ ________ _________ ________ Please finish filling-in the labels, and fill-in the squares with the corresponding frequencies 7 Mean of the sample means = ________ 6 5 f 4 Standard deviation of the sample means = ________ 3 2 __ 1 σ / n = ________ ____ ____ ____ ____ ____ M What are the odds of drawing a random sample of 2 with the above means? Write the probabilities below. Hint: The denominator is equal to the number of possible samples.

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