Computer Science Question

Question 1 Identify each measurement below as being based on a quantitative or categorical variable. For quantitative variables identify the lower and upper limits of the measurement. Kind of variable Limits a. 3, pounds of chocolate _______ _______ b. 309.23, the designation for an adjustment disorder with academic inhibition _______ _______ c. 10, miles per hour _______ _______ Question 2 Given the following data, find the mean, standard deviation,and range. 100 79 80 59 60 72 47 30 90 95 68 78 72 73 75 Question 3 3A Over the past decade, ABC Manufacturing has increased the number of safety inspections per month in hopes to decrease the number accidents on their production line. Below is a list of how many inspections were conducted in a month and the corresponding number of accidents recorded. Is there a correlation, and has this leadership decision been effective? Inspections Accidents 20 181 24 190 28 167 40 160 60 120 64 124 64 118 68 90 70 94 72 85 Question 4 A department chair in an academic department wanted to know if there was a difference between spring and fall enrollment in his department. The department offered the same six courses both semesters. What test should he conduct to determine if there is a significant difference in the enrollment between the semesters? Write up the results and determine what do the results mean? Here is the data set: Spring 87 90 56 48 39 50 Fall 30 35 40 45 50 55 Question 5 Big Steel Company recorded an efficiency rating at each of its four manufacturing locations every day for a fourteen-day period (provided below). As a member of their evaluation team you are asked if the average efficiency is the same across all locations. Determine your hypotheses, run the appropriate test, and provide the appropriate conclusion to the director of your team. Location 1 87 75 89 98 94 89 90 99 83 Location 2 81 89 90 71 90 89 86 78 68 Location 3 83 78 73 79 89 73 76 72 92 Location 4 69 99 62 66 99 71 62 82 87 87 60 97 85 94 92 73 65 73 93 85 74 76 94 92 62 81 60 76 75

Computer Science Question

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