Question
The dataset below represents a sample of text messages sent during math class in a week by middle school students 74 64 97 82 56
The dataset below represents a sample of text messages sent during math class in a week by middle school students 74 64 97 82 56 76 56 57 94 87 Round your answers to three decimals where appropriate unless stated otherwise 1 Calculate the sample mean and the sample standard deviation of the sample Sample Mean 74 300 Sample Standard Deviation s 15 642 2 From the original sample data take a bootstrap sample and record the values below 57 76 57 76 57 76 3 Calculate the mean of your bootstrap sample Bootstrap sample mean 74 248 64 94 64 97 Instead of resampling manually as above we ll use StatKey to automate the process for us 4 Enter the data in Statkey first and generate a bootstrap distribution of about 10 000 bootstrap samples Use the distribution to construct 95 confidence interval to estimate the average number of texts sent during math class in a week by middle school students Give results for both Percentile and Standard Error Plug inmethods After generating 10 000 bootstrap samples take a screenshot of your entire StatKey window and upload it below Choose File eenshot 2023 11 06 at 8 09 14M png How take a screenshot Please upload the screenshot everytime you resubmit your work when attempting this question multiple times Percentile Method
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