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D Question 22 3 pts A nutritionist was interested in determining if participating in a weight loss program could reduce someone's cholesterol levels. She had 4 participants participate in a medical diet plan. She recorded their cholesterol level at the beginning of the program and at the end of the program. Find the 95% confidence interval for the population mean change in cholesterol level. 1 2 3 4 before 220 250 210 220 after 210 225 210 240 O (-51.37, 58.87) O (-26.28, 33.78) O (-18.46, 25.96) O (-11.71, 19.21) D Question 23 3 pts The General Social Survey asked 612 men (group 1) and 292 women (group 2) if they have been too exhausted from housework to do a good job at work. The 95% confidence interval for P1 - P2is (-0.0710, 0.0869). What does this mean? O More men have been too exhausted from household work to do a good job at work then women, with 95% confidence . There is not a statistical significance difference on how men and women feel on this issue, with 95% confidence O More women have been too exhausted from household work to do a good job at work then men, with 95% confidence