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A product manager has conducted a customer satisfaction survey of 30 customers on a scale of 1 to 5. The survey data is shown below.
- A product manager has conducted a customer satisfaction survey of
30 customers on a scale of 1 to 5. The survey data is shown below. Calculate the mean and standard deviation of the survey and plot a histogram of the data. Does the distribution approximate Normal?
Customer Satisfaction rating 1 4 2 3 3 2 4 5 5 5 6 2 7 1 8 4 9 3 10 4 11 4 12 5 13 3 14 3 15 2 16 1 17 5 18 3 19 4 20 3 21 4 22 2 23 4 24 4 25 3 26 3 27 3 28 2 29 2 30 3
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30 customers on a scale of 1 to 5. The survey data is shown below. Calculate the mean and standard deviation of the survey and plot a histogram of the data. Does the distribution approximate Normal?
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