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A questionnaire asks the respondents to write their responses inabouta hundred words. To testif the mean number of words in the responses is a hundred

A questionnaire asks the respondents to write their responses inabouta hundred words.

To testif the mean number of words in the responses is a hundred wordsorit is different from a hundred

words,a simplerandomsampleof 12responseswillbetaken.

a)Statethenullhypothesisandthealternativehypothesis.

b)The following are the word counts from a simple random sample of12responses.

wordcounts

95 101 102 106 106 106 108 109 111 112 115 117

Withaboxplotofthisdata

95 96 98 100 102 104 106 108 110 1 12 1 14 116 117

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