Assignment:
86 total students were asked:
Do you feel sleep deprived? Mean # hours of sleep
Yes (51 students) 5.94
No (35 students) 7.06
Ho: mean = 7 hours of sleep, no feeling of sleep deprivation
Ha: mean = < 7 hours of sleep, feeling of sleep deprivation
Explain each of the 5 hypothesis steps individually and in detail.
1) Determine the null and alternative hypotheses.
2) Assuming that null hypothesis is true, find p-value
3) Decide whether or not the result is statistically significant based on the p-value (.05 level of significance)
4) Report the conclusion
Deprived |
SleepHrs |
No |
3 |
No |
5 |
No |
6 |
No |
6 |
No |
6 |
No |
6 |
No |
6 |
No |
6 |
No |
6 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
7 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
8 |
No |
9 |
No |
9 |
Yes |
0 |
Yes |
3 |
Yes |
4 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
5 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
6 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
7 |
Yes |
8 |
Yes |
10 |