Camberlain Univer Do Homework- Bry Applied Managerial Statistics Bryana Hession

Question

Camberlain Univer Do Homework- Bry Applied Managerial Statistics Bryana Hession Homework: Week 7 Homework 40 pts 10/18/17 12:45 PM Score: 1.25 of 5 pts Save |0 of 14(12 complete) HW Score: 60.63%, 24.25 of 40 pt 7.2.35-T E Question Help The lengths of time (in years) it took a random sample of 32 former smokers to quit smoking permanently are isted there enough evidence to reject the dlaim that the mean time it takes smokers to quit smoking permanently is 13 years? Complete parts (a) through (e). Assume the population standard deviation is 4.9 years. Ata 0.03,is 10.6 11.7 117 175 103 152 144 146 164 21.5 196 17.1 12.7 4.5 182 174 7.5 15.3 21.5 191 19.1 184 14.9 126 17.7 125 182 173 156 15.5 226 128 (a) Identify the claim and state the null hypothesis and alternative hypothesis. OA. Ho: s13 (claim) O D. Ho: 13 Ho: 013 (clam) Ha: -13 Ho: 213 (claim) Ha: 13 He'#13 Ho: > 13 (dam) Ha: s 13 OE OF, Ha Hs13 (claim) Click to select your answer and then click Check Answer Clear Al

Explanation / Answer

The statistical software output for this problem is:

One sample Z hypothesis test:
: Mean of variable
H0 : = 13
HA : 13
Standard deviation = 4.9

Hypothesis test results:

Hence,

Null and Alternative Hypothesis will be:

H0 : = 13 [Claim]
HA : 13

So,

Option C is correct.

Variable n Sample Mean Std. Err. Z-Stat P-value Data 32 15.75 0.86620581 3.1747651 0.0015

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