Question 2 2 pts A researcher believes that women today weigh less than in previous years....
Question 2 2 pts A researcher believes that women today weigh less than in previous years. To investigate this belief, she randomly samples 41 women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census indicated that an earlier population has a mean weight of 115 lbs. The obtained value of the appropriate statistic for testing the null hypothesis is ot-2.07 Ot- +2.07 Ot--32 Ot- +32 Question 3 2 pts A researcher believes that women today weigh less than in previous years. To investigate this belief, she randomly samples 41 women and records their weights. The scores have a mean of 111 lbs, and a standard deviation of 124. A local census indicated that an earlier population has a mean weight of 115 lbs. Using an alpha of .01, one-tailed, the critical value of the appropriate statistic for testing the null hypothesis is 1.684 -2423 2.796 -6.540 Question 4 3 pts