4. In each of the studies below, indicate whether the design is a paired or inde
ID: 3058629 • Letter: 4
Question
4. In each of the studies below, indicate whether the design is a paired or independent sample design, and the reason for your choice. You do not need to carry out any analysis of the data. Just give the type of sample design and a reason. (a) A study was conducted to compare the average blood-lead levels in children raised in two different towns. The blood-lead levels of a random sample of individuals from each town are given below. Town A: 25 26 23 27 24 Town B: 22 23 23 24 21 23 (b) For a random sample of 10 students, their first and second midterm grades were recorded in a particular course. The data are given below: 12 3 45678 910 Student Midterm1 77 71 84 84 72 92 70 74 62 84 Midterm 2 71 67 81 77 64 85 58 67 56 76 (c) Two random samples of employees from two different Parks Canada parks were selected in order to determine if there was a difference in the average salary between the parks.Explanation / Answer
4. In each of the studies below, indicate whether the design is a paired or independent sample design, and the reason for your choice. You do not need to carry out any analysis of the data. Just give the type of sample design and a reason. (a) A study was conducted to compare the average blood-lead levels in children raised in two different towns. The blood-lead levels of a random sample of individuals from each town are given below. Town A: 25 26 23 27 24 Town B: 22 23 23 24 21 23 (b) For a random sample of 10 students, their first and second midterm grades were recorded in a particular course. The data are given below: 12 3 45678 910 Student Midterm1 77 71 84 84 72 92 70 74 62 84 Midterm 2 71 67 81 77 64 85 58 67 56 76 (c) Two random samples of employees from two different Parks Canada parks were selected in order to determine if there was a difference in the average salary between the parks.
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