Q4

Reter to the Weight Watchers tile here: Weight Watchers.xIsx Use Excel to test. For each paired difference, compute After - Before. In Data Analysis, t-Test: Paired Two Sample for means, select the After data for Variable 1 Range. Note that the critical value output by Data Analysis for this test is always positive. In this problem, the sign of the critical value is negative corresponding to a 1-tailed test with lower reject region and negative lower critical value. What is your conclusion? O Reject the NULL Hypothesis because the actual value is less than the critical value O Do not reject the NULL Hypothesis because the actual value is less than the critical value O Do not reject the NULL Hypothesis because the actual value is greater than critical value )Reject the NULL Hypothesis because the actual value is greater than critical value