Dieticians claim that most adults do not intake enough dietary fiber from food (not supplements). For optimal health, adults should intake an average of twenty-eight grams of fiber from food per day. Below is the amount of dietary fiber from food consumed by twenty randomly selected adults. At the 5% significance level, can we conclude that the average amount of dietary fiber from food consumed per day is less than twenty-eight grams? 22 23 18 15 17 14 25 20 21 29 14 12 15 18 13 17 21 24 19 28

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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Dieticians claim that most adults do not intake enough dietary fiber from food (not supplements).
For optimal health, adults should intake an average of twenty-eight grams of fiber from food per
day. Below is the amount of dietary fiber from food consumed by twenty randomly selected adults.
At the 5% significance level, can we conclude that the average amount of dietary fiber from food
consumed
per day is less than twenty-eight grams?
22
23
18
15
17
14
25
20
21
29
14
12
15
18
13
17
21
24
19
28
Transcribed Image Text:Dieticians claim that most adults do not intake enough dietary fiber from food (not supplements). For optimal health, adults should intake an average of twenty-eight grams of fiber from food per day. Below is the amount of dietary fiber from food consumed by twenty randomly selected adults. At the 5% significance level, can we conclude that the average amount of dietary fiber from food consumed per day is less than twenty-eight grams? 22 23 18 15 17 14 25 20 21 29 14 12 15 18 13 17 21 24 19 28
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