Homework: Week 7 Homework 40 pts Score: 1 of 4 pts HW Score: 74.79%, 29.92 of 40

Question

Homework: Week 7 Homework 40 pts Score: 1 of 4 pts HW Score: 74.79%, 29.92 of 40 pts .2.35-T ms lengts of tirne On year')2 arandom sample of 32 repot re dam tatnsemaan tine "akes smokestoga smoking amokers to quit smoking pemanenty are listed Assume the popuiation standard deviation is 62 years. Ata 0.02, is thare anough eviderce to arently is 13years? Complete parts (a) Progh (o 121 72 77 11 104 11.5 123 20.1 132 88 229 172 21.9 205 126 21.1 113 191 112 206 218 146 222 118 19.1 21.2 208 169 189 135 98 164 Ho .13(claim) Ha·s* 13 F, b) Identfy the standardized test statistic. Use technology (Round to two decimal places as needed ) Enter your answer in the answer box and then click Check Answer. 2 remaning Trash

Explanation / Answer

The statistical software output for this problem is:

One sample Z hypothesis test:
: Mean of variable
H0 : = 13
HA : 13
Standard deviation = 6.2

Hypothesis test results:

Hence,

z = 2.61

Variable n Sample Mean Std. Err. Z-Stat P-value Data 32 15.8625 1.0960155 2.6117331 0.009

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