Question: 3. [Marks: 5] Question 4. [Marks: 4] A researcher collects data on the number of steps taken per day by 20 participants. - Create a

3. [Marks: 5] Question 4. [Marks: 4] A researcher collects data on the number of steps taken per day by 20 participants. - Create a stem-and-leaf plot. - Is this a useful visualization for this data? Why or why not? Sample Data: 8123, 10456, 9321, 11002, 7890, 12034, 8456, 10012, 9500, 10234, 8765, 9800, 10789, 9400, 8900, 11500, 10100, 9600, 8700, 10800The following are life satisfaction scores (0-100) from a sample of adults: 45, 72, 88, 53, 60, 47, 95, 39 - Calculate the mean and standard deviation. - Calculate the z-score for the person who scored 65. Is this score an outlier? Explain

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