Q4: The label on cheese sandwiches you are buying says that the sandwich weight is 40 grams. You got suspicious that the

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Q4: The label on cheese sandwiches you are buying says that the sandwich weight is 40 grams. You got suspicious that the

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Q4 The Label On Cheese Sandwiches You Are Buying Says That The Sandwich Weight Is 40 Grams You Got Suspicious That The 1
Q4 The Label On Cheese Sandwiches You Are Buying Says That The Sandwich Weight Is 40 Grams You Got Suspicious That The 1 (25.64 KiB) Viewed 50 times
Q4: The label on cheese sandwiches you are buying says that the sandwich weight is 40 grams. You got suspicious that the sandwich is not as heavy as claimed, and wanted to check, so you took a random sample of 16 sandwiches, recorded the weight of each one and got a mean of 39 and standard deviation of 2.4 grams. 5 (a) State your null and alternative hypothesis. H.: 140 H: UX40 (b) Assuming that sandwich weights are normally distributed, calculate the P-value, or obtain an interval that contains it. (c) Test the hypothesis using a = = 0.05. (a) Interpret your conclusion.
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