google chrome whatsApp Take Test Test 3-DSCI new . Invitation to edit . ba DSC-G

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google chrome whatsApp Take Test Test 3-DSCI new . Invitation to edit . ba DSC-Google Docs Wamings appear when half the time. 5 minutes. 1 minute, and 30 seconds remain. Messages Multiple Attempts Not allowed. This test can only be taken once Force Completion This test can be saved and resumed at any point until time has expired. The timer will continue to run if you leave the test. Remaining Time: 1 hour, 57 minutes, 11 seconds Question Completion Status & Moving to another question will save this response KQuestionof 30 Question 6.67 points Save Ansser A random sample of 100 observations 1s taken om a normal populataon where the standard deviation of 10 The sample means, he ecefidence interval is O A. 20 to 40 B. 28.6 to 31.65 0C28.04 to 31.96 D. 21.76 to 38.24 Mong to another question WE save this response. ecK question 8 of 30 Type here to search

Explanation / Answer

C.

Standard error of the mean = SEM = S/N = 1

t(, N-1) = 1.984

Confidence interval = m +/- (t(, N-1)*SEM)

Mean = 30

Lower bound: 28.04

Upper bound: 31.96

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