Question: i dont know how to do these in excel? I have a huge chart of numbers and got the mean and standard deviation but I

i dont know how to do these in excel? I have a huge chart of numbers and got the mean and standard deviation but I dont know how else to answer the other questions.
i dont know how to do these in excel? I have a
Q14. Calculate the mean and the standard deviation of the bar weights using the data in the table. mean 62.9967 standard deviation 0.098406 Q15. What standard deviation would be required in order for the process to achieve six sigma quality? note: If the mean is not perfectly centered, use the nearer product specification for this calculation standard deviation needed for six sigma quality Q16. Has this process achieved six sigma quality? Q17. Calculate the Cpk index for this process. Cpk Index Q18. Would it be better to have a higher or a lower Cpk index

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