A study is undertaken to test the research hypothesis that a student’s knowledge of Thunder Bay improves with time spent in the city. A series of slides are prepared featuring Thunder Bay landmarks and are shown to a random sample of 15 geography majors from the Geography 1170 class. Each student receives a score out of 100 for the test. Two years later, the same students are assembled and given the same test. Scores are again recorded out of 100.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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A study is undertaken to test the research hypothesis that a student’s knowledge of Thunder Bay improves with time spent in the city. A series of slides are prepared featuring Thunder Bay landmarks and are shown to a random sample of 15 geography majors from the Geography 1170 class. Each student receives a score out of 100 for the test. Two years later, the same students are assembled and given the same test. Scores are again recorded out of 100.

A work table for calculating a matched pairs t-test statistic is provide below. Some of the
entries have been completed for you. Complete the rest of the entries. Copy the completed
table into your answer submission.
(b)
Student
Test 1
Test 2
d
1
65
68
3
55
62
7
49
70
80
10
100
48
45
-3
75
80
5
25
80
83
3
7
40
42
4
56
57
1
1
74
70
10
81
85
11
63
72
12
58
60
13
73
82
14
38
30
15
77
80
Sum
Average
(c)
What is the difference between the mean test scores from Test 1 and Test 2?
3.
6.
Transcribed Image Text:A work table for calculating a matched pairs t-test statistic is provide below. Some of the entries have been completed for you. Complete the rest of the entries. Copy the completed table into your answer submission. (b) Student Test 1 Test 2 d 1 65 68 3 55 62 7 49 70 80 10 100 48 45 -3 75 80 5 25 80 83 3 7 40 42 4 56 57 1 1 74 70 10 81 85 11 63 72 12 58 60 13 73 82 14 38 30 15 77 80 Sum Average (c) What is the difference between the mean test scores from Test 1 and Test 2? 3. 6.
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