-> C : wwwcheggcom/homework help and MAT 167 Fall 2017 Online Izabeth O\'Brien H

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-> C : wwwcheggcom/homework help and MAT 167 Fall 2017 Online Izabeth O'Brien Homework: HW 7 Chapter 7 Score: 0 of 1 pt 7.2.35-T Questior HW Score: 34.26%, 6 17 of 18 pts Question Help *1 The lengths of time (in years)i& took a random sample of 32 former smokers to quit smoking permanently are sample stat years. At ·0 04, is there enough evidence to re ect the claim thathe mean time it takes smokers to quit smoking permanently is 13 years? Complete parts a t listed Assume the population standard deviation is 4.8 93 77 145 194 125 205 133 207 73 186 179 91 122 149 132 82 138 89 169 172 76 162 124 106 227 19.3 73 195 129 132 214 196 test result gp more than (a) Identily the claim and state the nul hypothesis and alternative hypothesis B. H 13 (claim) OD. Ho #13(dalm) Ho-13 (claim) Ha #13 Ha 13 O F. Ho 2 13 (claim) Ha:

Explanation / Answer

A null hypothesis is a hypothesis that says there is no statistical significance between the two variables. It is usually the hypothesis a researcher or experimenter will try to disprove or discredit. Analternative hypothesis is one that states there is a statistically significant relationship between two variables.

B option

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