A sunscreen company is attempting to improve upon their formula so that it lasts in water longer. They have 4 lead scientists who each came up with a different formulas. In order to see if there is a difference in the time the sunscreen lasts the CEO collects a random sample of each of the four sunscreens the data is shown below. Test the claim that at least one sunscreen has a different lifespan in water at a 0.10 level of significance. Sunscreen A Sunscreen B Sunscreen C Sunscreen D 84 33 31 71 75 66 31 78 57 72 43 63 64 77 64 89 43 52 46 84 76 34 61 45 The hypotheses for this ANOVA test would be: Η 0: μ Αμ Bμ c μ D HA : At least one mean is different. (claim) 0.10 Complete the ANOVA table below: (round answers to 3 decimal places) df MS F p-value Between Within The decision of the test is to: reject Ho do not reject H0

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A: y¯ is calculated as: y¯=∑yn=86.95=17.38

Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

A: Given: ∑ x = 15 ; ∑ y = 86.9 ; ∑ x 2 = 55 ; ∑ y 2 = 1544.73 ; ∑ x y = 273.4

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A: The formula for Sxy  is, Sxy=∑xiyi-∑xi×∑yin

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Q: A sunscreen company is attempting to improve upon their formula so that it lasts in water longer.…

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Q: A sunscreen company is attempting to improve upon their formula so that it lasts in water longer.…

A: Consider that, µA, µB, µC and µD define the mean lifespan of sunscreen A, B, C, and D, respectively.

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Q: A sunscreen company is attempting to improve upon their formula so that it lasts in water longer.…

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Q: Bighorn sheep are found in the mountainous western United States.  In the following data, x = the…

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