A constant objective in the manufacture of contact lenses is improving the level and variation for those
Question:
a. Calculate the mean and standard deviation of Critical Feature A for Lots 1 and 2.
b. Is there evidence of a difference in the variability of Critical Feature A between Lots 1 and 2? Use an alpha value of 5% to make a determination.
c. Is there evidence of a difference in the mean levels of Critical Feature A between Lots 1 and 2? Use an alpha value of 5% to make a determination.
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