A social scientist asked a random sample of 50 students, "How many friends do you have on your favorite social media site, and how many of them are meaningful?" The social scientist would like to know if there is convincing evidence of a linear relationship between the number of friends students have on their favorite social media site and the number of friends who are meaningful. The regression model conditions were checked and were determined to be met. A scatterplot and computer output are shown below. ends ingful 25 20

Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57. Convert Michelles score to z-score.

Determine whether the data described below are qualitative or quantitative and explain why. The numbers of students in the graduating class at different high schools F4 Choose the correct answer below. O A. The data are quantitative because they consist of counts or measurements. OB. The data are quantitative because they don't measure or count anything. OC. The data are qualitative because they consist of counts or measurements. OD. The data are qualitative because they don't measure or count anything. KA $ 4 R F5 % 5 F6 T A 6 F7 V F8 & 7 11 DELL F9 * 00 8 F10 13 9 F11 O F12 PrtScr 3

Copy and paste an image of your table with data for Patients 1 and 2 in the space provided below. This image should include the calculated values for Mean and Std Dev. Compare the values for Mean and Std Dev for the two patients. Did both patients meet the requirements for an average of 1800.0 Calories per day? Explain in your own words your interpretation of the Std Dev values for the two sets of patient data.