Mathematics, 03.08.2021 03:30, pearpeaerrr1993

The length of time in years it took a random sample of 30 former smokers to quit smoking permanently are listed below. At a= 0.08 is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 15 years? Using critical values. 15,13,22,13 10 18 14 7 17 8 22 12 19 14 16 10 32 15 18 12 18 22 7 8 20 7 12 10 9 10

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The length of time in years it took a random sample of 30 former smokers to quit smoking permanently...