. A study was done on two groups of overweight individuals. Group 1 was placed on a healthy, moderate diet Group 2 was not given any diet instructions. After 1 month, the d Create a boxplot based on the protein data. [6 points ] members were asked how many times they engaged in binge eating. The results of the two groups were compared. Is this an example of an experiment or an observational study? [3 points] An experiment. 6. Identify the independent variable and the dependent variable. A small business owner wants to measure the impact of loyalty card discounts on profit One month he limits the requency of discounts and the next month he offers unlimited usage of the discounts. [3 e. Create a frequency distribution with a class start of 12 and a class width of 6. [8 points] pointsk Independent Vartable = measuring the impact of loyalty V X Dependent Variable = he offers unlimited usage of 12 The discounts . 10 CALCULATION PORTION. Show all work and include formulas used. Specify the calculator function used when appropriate. Round all answers to three decimal places (unless otherwise specified) or 6 leave in a reduced fraction. Circle final answers. 7. The amount of protein (in grams) in a variety of fast-food sandwiches is reported here. 23 25 18 19 20 22 38 15 26 12 24 f. Calculate the mean of the protein data. [5 points] 12 = 2 6 Find and label the five number summary for the protein data. [5 points] 12, 15, 15, 18, 19= 79 3. 6 Calculate the variance of the protein data. [7 points] 14 2- = 4 b. Identify the mode(s) for this dataset. [3 points] - 1.5 C. Identify any outliers in this dataset. Use the 1.5 x IQR formula to justify your answer. [5 points] Using the protein data, calculate the z-score of a sandwich that has 25 grams of prote points 2 625 = 625 - 12.5