Question

It is desired to find whether there is less variability in the silver plating done by company A than in that done by company B. If the independent random samples of size 12 of two companies work yield s1 = 0.035 and s2 = 0.062. Test the null hypothesis 2 2    1 2 against the alternative hypothesis 2 2   1 2 at 0.05 level of Significance.

Answer 1

Answer:

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