1. A researcher was interested in whether the mean hours of sleep differed by sex. The table below contains summary statistics for males and females in her class. You are asked to test (useAlpha= 0.05) whether there is a difference in the mean hours of sleep by sex. (15 points)

Note :Include calculation steps and formula for all the questions

Sex	Sample Size	Means Hours of Sleep	Standard Deviation
Males	16	6.40	0.99
Females	75	6.95	1.46

1. Hypothesis statements:

H₀:

H_A:

1. x₁-x₂=
2. SE =
3. df_conservative= [df]
4. Test statistic= [t] =
5. p-value approximation =
6. Conclusion of significance: