Test if the median competency is similar or different from 10. Competency 5 10 11 11...

Test if the median competency is similar or different from 10.

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Expert Solution

orchestra answered 1 year ago

A) Test at 5% level individually if the mean percentage for each of the means is different from 10%.

countries sample size sample mean sample standard deviation brazil n1=20 3.464294243 1.955414704 russia n2=20 0.555334519 0.275727133 A) Test at 5% level individually if the mean percentage for each of the means is different from 10%. B) Obtain a 95% confidence interval for the difference of means for the two countries. C) Test an appropriate pair of hypotheses for the two means at 5% level of significance

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5.) A sample of 5 different calculators is randomly selected from a group containing 10 that...

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A company wants to determine if the median shelf life for their product is different from...

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