Project #83416 - math of statistics

1.'GPA','  SALARY'
    3.26,     33.8
    2.6,       29.8
   3.35,      33.5
   2.86,      30.4
   3.82,      36.4
   2.21,      27.6
   3.47,      35.3

1. Analize the distribution of the two variables: GPA, Salary

(sample mean, variance, shape of the distribution )

 

2. Determine 90% confidence intervals for the population mean of the above variables.

 

3. For a 5% significance level test the following hypothesis

  • H0 : mean Salary = 28 against two sided alternative, and both one sided alternatives
  • H0 : GPA = 2.5 against the two sided alternative, and both one sided alternatives
  • calculate the corresponding p-values
  • calculate the power of the above tests for the following alternatives:mean = 25, 30, 35 and mean GPA = 3, 3.5, 4

4 Discuss the results

Subject Mathematics
Due By (Pacific Time) 09/26/2015 12:00 am
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