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Question I choose a survey of 10 students and asked them how many hours they studied a week. 1(18) 2(20) 3(15) 4(16) 5(20) 6(20) 7(18) 8(12) 9(19) 10(20) the mean of study time. All together the study time was 178 hrs with the mean being 17.8 and standard deviation. Is there a margin of error with a 95%?

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Question

I choose a survey of 10 students and asked them

how many hours they studied a week. 1(18) 2(20) 3(15) 4(16) 5(20) 6(20) 7(18) 8(12) 9(19) 10(20) the mean of study time. All together the study time was 178 hrs with the mean being 17.8 and standard deviation. Is there a margin of error with a 95%?

 
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