Question 13(1 point)

Bone mineral density and cola consumption has been recorded for a sample of patients. Let x represent the number of colas consumed per week and y the bone mineral density in grams per cubic centimeter. Assume the data is normally distributed.

Cola ConsumedBone Mineral Density (g)10.877720.892530.889840.876950.899960.863470.876280.888890.8552100.8546110.8762

Using the estimated regression equation found by using Colas Consumed as the predictor variable, find a point estimate for Bone Mineral Density when the number of Colas Consumed is 12?

Question 13 options:

0.8767

0.8089

0.8630

0.8081

Question 14(1 point)

A teacher believes that the third homework assignment is a key predictor in how well students will do on the midterm. Let x represent the third homework score and y the midterm exam score. A random sample of last terms students were selected and their grades are shown below. Assume scores are normally distributed.

HW3Midterm13.359.81121.987.5399.753.7282596.2835.439.17413.266.09220.989.72918.578.9852086.215.473.2742593.259.752.2576.443.98420.279.76221.884.25823.192.9112387.8211.445.03414.971.86918.476.70415.160.4311565.1516.877.208

Based on your results, If your HW3 grades increases by 1 point, your Midterm grade, on average, increases by approximately how much?

Place your answer, rounded to 3 decimal places, in the blank. Do not use any stray punctuation marks or a dollar sign. For example, 34.567 would be a legitimate entry. ___