The following data relate to the number of items produced per shift followed normal distribution by two workers Rahul and Ramesh for a number of days:

Can it be inferred that Rahul is more stable worker compared to Ramesh by testing the variation in the item produced by them at 5% level of significance.

To compare the stability of the two workers, we can calculate the standard deviation of the items produced by each of them and perform a hypothesis test to determine if there is a significant difference between the two standard deviations. If the standard deviation for Rahul is lower than that for Ramesh, we can conclude that Rahul is more stable.

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