MIlk - preferred chocolate milk Thirty-two out of fifty...

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Danny Schaeflein and Andrew Kinderman Math 112 – Section E Presentation Paper Do you like milk you lil ho!?! We wanted to find out if people preferred chocolate milk or white milk. We gathered our data by randomly calling people and stating that we were from Carroll College doing a statistics project. We also went to the Main Dining Room and asked people before they went to lunch. We collected data from fifty people. Our hypothesis that we wanted to prove was that the proportion of men who prefer chocolate milk is equal to the proportion of women who like chocolate milk. Our hypotheses are: Ho: The proportion of men who prefer chocolate milk is = the proportion of women who prefer chocolate milk H1: The proportion of women who prefer regular milk as opposed to chocolate milk > The number of men who prefer regular milk opposed to chocolate milk. Our results from the testing were thirty out of fifty men preferred chocolate milk. Twenty out of fifty men preferred regular milk. Eighteen out of fifty women
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Unformatted text preview: preferred chocolate milk. Thirty-two out of fifty women preferred regular milk. We tested the results using alpha at .05. We used a 2-prop Z-test and found out our Z score is 2.401922307 and our p-value was .0081545793. The proportion of women who preferred regular milk over chocolate milk is .64. The proportion of men who prefer regular milk over chocolate is .4. The equations we used to get our data are Some of the biases we experienced while gathering data were selection bias and convenience. It was convenient to ask people at the Main Dining Room what type of milk they preferred before they had lunch. We had selection bias because we excluded elderly people because most of our data we collected was from Carroll College students. We concluded that our p-value is .0081545793 < .05 so we reject the null Hypothesis. We believe that women are more conscience about their weight and prefer regular milk not necessarily for the taste but because it has less fat....
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