How much more time do statistics students spend studying for their final exam than they spend studying for their midterm exam? A researcher randomly selected ten statistics students and asked how many minutes they spent studying for each exam. The results of the study are shown below. Time Studying for the Final and the Midterm Final 150 306 236 220 319 162 159 184 153 255 Midterm 86 128 165 165 76 119 57 182 126 33 Assume both follow a Normal distribution. For this study, we should use Select an answer Compute the 90% confidence interval for the difference. Round to the nearest minute. Interpret the confidence interval in the context of the study: With 90% confidence the population mean number of minutes statistics students spend studying for their final exam is between $52 and $149 more than the population mean number of minutes statistics students spend studying for their midterm exam. With 90% confidence the mean number of minutes that the ten sampled statistics students spent studying for their final exam is between $52 and $149 more than the mean number of minutes that the ten sampled statistics students spent studying for their final exam.

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