Homework 7 II.docx

# Homework 7 II.docx - Hi Alex Last week when I turned in...

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Hi, Alex. Last week when I turned in Homework 07 I could not get my bootstrap function to work properly. So my answer to 2c was incorrect. I wanted to turn in the correct answer below. Alyssa Niles STATS 371 DIS 331/332 11/3/17 HOMEWORK 7 2. A random sample of soil specimens was taken from a large geographic area. The specimens can be assumed to be independent. The amount of organic matter, as a percent, was determined for each specimen. The data are below: 0.14, 0.32, 1.17, 1.45, 3.5, 5.02, 5.09, 5.22A soil scientist wants to know whether the population mean percent organic matter is different than 4%. A significance level of = 0.05 is chosen. (a) State hypotheses appropriate to the research question. The null hypothesis is that the mean percentage of organic matter in these specimens are 4%. An alternative hypothesis is that the mean percentage of organic matter in these specimens is NOT 4%. (b) Graph the data as you see fit. Why did you choose the graph(s) that you did and what does it (do they) tell you?

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