Evalute the spss output and write results Research question

Evalute the spss output and write results? Research question: Do these data indicate that smokers take a significantly longer time to fall asleep than nonsmokers at the .05 level of significance? Ho: t = 0 Ha: t =/ 0 alpha = .05 A Mann-Whitney U test was conducted to evaluate the hypothesis that? I have included the spss output file.

Solution

Sol)

null hypothesis:There is no signficant difference between smokers and non smokers

Alternative hyp: smokers take a significantly longer time to fall asleep than nonsmokers

Level of significance: 5%

Conclusion:

If p< alpha we reject the null hypothesis.

if p> alpha we accept the null hypothesis.