Question
A physical instructor claims that the mean weight of students in school is greater than 82 kg with standard deviation 20. If a sample of size 81 students is selected with mean weight of 90. The test statistic equals to
More Welfare Economics Questions
- Question 1
- Question 2
- If the third quartile of the following data set 7,10,7,8,9 is 9.5, then the value of quartile deviation is:
- In one way ANOVA, σ2 is estimated by:
- Which one is parameter from population?
- Which of the following is NOT a type of data classification?
- The mean deviation from an average A will be minimum, if A represents:
- If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
- Question 9
- Which of the following methods is NOT used in computation of a seasonal index for time series?
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