L22 Quiz_ Group Meeting_ Biostatistics

Question 1 2 / 2 pts I completed the Individual Preparation assignment before attending the Group Meeting. True False Question 2 2 / 2 pts I actively participated in this week's Group Meeting. True False While you are required to work together on this quiz, each member of the group must submit his or her own answers in order to receive credit. If needed, here's a link to the Normal Probability Applet . You will need the following data set MathSelfE When calculating anything, please remember to round to three decimal places, unless otherwise specified. DO NOT ROUND until your calculation is complete. Ques 1 / 1 pts tion 3 Given the linear regression equation, Y=2.0+1.5X, what is the Y-intercept? (Round to one decimal) This study source was downloaded by from CourseH on :40:43 GMT -06:00 2 Question 4 1 / 1 pts Given the linear regression equation, Y=2.0+1.5X, what is the slope? (Round to one decimal) 1.5 Question 5 1 / 1 pts Given the linear regression equation, Y=-3.0+0.25X, what is the predicted value of Y when X=16 ? (Round to one decimal) 1 For the next 7 questions, use the data file MathSelfE . Be sure to use the "Confidence" data for the "Explanatory Variable" and the "Score" data as the "Response Variable". Ques 1 / 1 pts tion 6 Make a scatterplot of the MathSelfEfficacy data. Of the three data shapes introduced in the reading, which shape best describes these data? "Hot Dog" shape "Hamburger" shap