How does each of the following affect the power of a planned study? (a) a larger predicted difference between the means of the populations (b) a larger population standard deviation (c) a larger sample size (d) using a more extreme significance level (for example, 0.01 instead of 0.05) (e) using a two-tailed test instead of a one-tailed test

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)