iPad Kindle Consumer Reports would like to conduct a hypothesis test to determine if the average battery life for an iPad is different from the average life for a Kindle Fire. 10 5 8. 10 The data provided here represent the battery life from a random sample of iPads and Kindle Fires in hours. 7 12 10 11 10 11 (a) Conduct a two-sample t test to test if the average battery life for an iPad is different from the average life for a Kindle Fire. Provide the output below starting at the Yellow highlighted cell. Use 1% significance level. (b) Compute a 99% confidence interval for the difference in the average battery life for an iPad and the average life for a Kindle Fire. Provide your final anwers in the yellow highlighted cells below. ( Keep 3 or more decimal places) Show your work below those cells. Lower Upper N co

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.