2. Paired Sample: A health educator wants to evaluate the effects of a dental film on the frequency with which children brush their teeth. A random selection of 8 children is used for the experiment. First, a baseline of the number of times children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data were recorded. 1 2 3 4 5 6 7 8 Subject # After 28 29 25 30 25 27 28 Baseline 25 28 22 30 26 24 25 … 24 22

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 5E: List the sample space of each experiment. Rolling one die and tossing one coin
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Are these results statistically significant or not? 

2. Paired Sample: A health educator wants to evaluate the effects of a dental film on
the frequency with which children brush their teeth. A random selection of 8
children is used for the experiment. First, a baseline of the number of times
children brush their teeth over a month's period is established. Next, the children
are shown the dental film and again the number of teeth brushings are recorded
for a month. The following data were recorded.
1
2
3
4
5
6
7
8
Subject #
After
28
29
25
30
25
27
28
Baseline
25
28 22
30 26
24 25
…
24
22
Transcribed Image Text:2. Paired Sample: A health educator wants to evaluate the effects of a dental film on the frequency with which children brush their teeth. A random selection of 8 children is used for the experiment. First, a baseline of the number of times children brush their teeth over a month's period is established. Next, the children are shown the dental film and again the number of teeth brushings are recorded for a month. The following data were recorded. 1 2 3 4 5 6 7 8 Subject # After 28 29 25 30 25 27 28 Baseline 25 28 22 30 26 24 25 … 24 22
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