A cookie company boasts an average of 20 chips per chocolate chip cookie. You doubt this claim,
Question:
a. Make a mathematical statement of what you are trying to disprove. This is your null hypothesis.
b. Find the mean and standard deviation of your sample.
c. Use the standard deviation of the sample as a population parameter and find the probability that a population with mean 20 would produce a sample mean less than or equal to your statistic in 6b.
d. Use numbers and context to state a conclusion. If the probability from 6c is small (less than 5%), then state a rejection of the null hypothesis. If the probability is larger (more than 5%), then state that you fail to reject the hypothesis.
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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