Question

2. A random sample of 400 tins of vanaspati has a mean weight 4.96 Kgs and standard deviation 0.4 kgs. Test at 1% level of significance that the average weight of tins of vanaspati is less than 5 kgs. (Critical value at 1% significance level is -2.33)​

Answer 1

Answer:

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Answer 2

Answer:

A random sample of 400 tins of Vanaspathi has mean weight 4.96 kg and S.D. 0.4 kg. Test at 1% L. O. S. that the average weight of tins of Vanaspathi is less than 5 kg.Read more on Sarthaks.com - https://www.sarthaks.com/642235/a-random-sample-of-400-tins-of-vanaspathi-has-mean-weight-4-96-kg-and-s-d-0-4-kg-test-at-1-l-o-s