Ten individuals are chosen at random from a population and their heights are found to be $63, 63, 64, 65, 66, 69, 69, 70, 70, 71$ inches.

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written 9.4 years ago by

teamques10 ★ 70k

• modified 9.4 years ago

Discuss the suggestion that the mean height of the universe is 65 inches.

Mumbai University > COMPS > Sem 4 > Applied Mathematics 4

Marks : 06

Year : MAY 2015

engineering mathematics

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written 9.4 years ago by

teamques10 ★ 70k

N = 10 (< 30, so it is small sample)

Step 1: Null hypothesis $(H_0) : µ = 65$

Alternate hypothesis $(H_0): µ != 65$ [Two tailed test]

Step 2: LOS = 5% (Two tailed test)

Degree of freedom $= n – 1 = 10 – 1 = 9$

Critical …

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