Given the following frequency distribution answer the following question. X 3 5

Question

Explanation / Answer

3,5,9,8,4,6,2,5,3,2

Using,technology,

we get

n=10

x=4.7

=2.40601

df =n-1 =10-1 =9

For df=9, the value of t/2 is 2.262

CI = x ± t/2 × (/n)

    = 4.7 ± 2.262 x(2.40601)/10)

    =4.7 ± 1.721

    =4.7-1.721 to 4.7+1.721

    =2.979 to 6.421

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