math problems 4

From Mathematics, Statistics
Due on 26 Apr, 2015 01:19:00
Asked On 25 Apr, 2015 12:18:04
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Raphel
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The quiz scores for 4 students in stats class were 3, 4, 7, and 6 out of a possible 7 points The 4 students represent the population A. find the mean and standard deviation b. find the mean of the sample means c. find the sample error of the mean if the sample size is 3. d. find the probability the sample mean will be less than 4.67 e. find the probability the sample mean will be more than 4.33 f. find the probabilty the sample mean will be more than 4.33 but less than 4.67

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Submitted On 25 Apr, 2015 09:24:53

Answer posted by

Edna
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a) Mean=( 3+4+7+6)/4 = 5 Stdev= 1.8257 b) mean of the sample means = 5 ...

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