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Non-Parametric Techniques Scenario
Nutrisystem has observed the changing awareness of the population on health and nutrition. Therefore, they want to investigate the acceptance of a low-calorie product and a low-sodium product by market segment (gender). Are people more concerned about low-calorie soups or low-sodium soups and how does that break down by market segment (age)?
Tony: Here's what we did: Two hundred customers were selected at random for two different interviews. We were hoping that the information that we gleaned from these interviews would indicate the relative interest in low-calorie and/or low-sodium soup and how that interest was broken down by market segment. That's going to give us insight into what the market wants and insight into who this customer is.
Questions
The question that was asked, "Which of the following three products are you most interested in?" Then the results were tallied, indicating how many males and how many females preferred each of the three options. A study for each collected the following data. Test for independence at a significance of 5%.
Categories
Male
Female
Low calorie
21
43
Regular broth
47
32
Creamed soups
25
50 Years or Younger
Over 50
Low sodium
33
39
35
22
Answer the following questions using this data:
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International Data Corp. (IDC) has shown that the average return on business analytics projects was almost four-and-a-half times the initial investment.
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