Homework SourseThe physics instructor chose the following hypotheses with a
The physics instructor chose the following hypotheses with alpha=0.05:
H0: natural – artificial=0
Ha: natural – artificial>0
The t-test statistic is -5.8. What statistical conclusion is warranted based on the hypotheses?
Fail to reject the null
Reject the null and conclude there is support that natural light is better
Reject the null and conclude that there is evidence that artificial light is better.
Cannot be determined without knowing the confidence interval.
| a. | Fail to reject the null | |
| b. | Reject the null and conclude there is support that natural light is better | |
| c. | Reject the null and conclude that there is evidence that artificial light is better. | |
| d. | Cannot be determined without knowing the confidence interval. |
Solution
Null Hypothesis ,there Is No-Significance between them Ho: natural – artificial=0
Alternate Hypothesis ,there is support that natural light is better H1: natural – artificial>0
For t-test statistic is -5.8 We reject the Ho AT 95%,99%, 90% C.I
b.
Reject the null and conclude there is support that natural light is better
