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Elementary Statistics: A Step By Step Approach | 9th Edition | ISBN: 9780073534985 | Authors: Allan Bluman
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Beneficial Bactcria According to a pilot study of 20

Chapter 1, Problem 33E

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QUESTION:

Problem 33E

Beneficial Bactcria According to a pilot study of 20 people conducted at the University of Minnesota, daily doses of a compound called arabinogalactan over a period of 6 months resulted in a significant increase in the beneficial lactobacillus species of bacteria. Why can’t it be concluded that the compound is beneficial for the majority of people? (1–5)

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QUESTION:

Problem 33E

Beneficial Bactcria According to a pilot study of 20 people conducted at the University of Minnesota, daily doses of a compound called arabinogalactan over a period of 6 months resulted in a significant increase in the beneficial lactobacillus species of bacteria. Why can’t it be concluded that the compound is beneficial for the majority of people? (1–5)

ANSWER:

Solution:

Step 1 of 2:

It is given that a pilot study was conducted on 20 people to study the effect of a compound called arabinogalactan and found that there is a significant increase in the beneficial lactobacillus bacteria species.

Now, using this we need to justify why this study cannot be concluded for majority of the people.

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