In a study designed to test the effectiveness of magnets for treating back pain, 20 patients were given a treatment with magnets. Pain was measured using the VAS scale. The average VAS reading of the sample was 5.0 with a standard deviation of 2.9. Construct a 95% confidence interval of the true mean.

Z D/2 = 2.09

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Pick the description of a geometric object that best matches the real world object box for a deck of card

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.