THIS IS THE PROBLEMS

3. in two countries Cl and C2, the heights of adult women were studied. Froorn country C1, 121:! women were measured on their heights and the mean height is 152.\"? inches with a standard deviation of 2.5!}, while in the country C2, the mean height is 61.3 with standard deviation {2.62 on 151} wornen. Is there a remon to believe that the heights of women in C1 and C2 differ signicantly? Use 1135 level of signicanoe mifemnce ofm means :- test}. a. NullHypothesis 5. Alternative Hypothesis e. Critical Region at. Computed :- value 4. Six guinea pigs injected with Ill-.5 mg ofmedieation tool: an average of 15.4 seconds to fall asleep with standard deviation oflE, while six other guinea pigs injected with 1.5 mg of mediation tool: an average of 11.2 seconds to fall asleep with standard deviation of 2.15 seconds. Do guinea pigs injected with 0.5 mg take a longer time to fall asleep than those injected with 1.5 mg? Check this out using [1.05 level of signicanoe. fwrinnees are equal, at-libertine are normally mouse; a. Null Hypothesis Er. Alternative Hypothesis c. Critical Region at. Computed t- value 9. Conclusion