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I need help with hypothesis testing on my spreadsheet.

Solved by T. S. in 22 mins

all I need to do is a an excel Hypothesis testing that returns of a company are greater than returns to the market using Data Analysis: t-test: 2

Solved by C. J. in 26 mins

I am testing the null hypothesis that the spread of TB, HIV and Flu for T-distribution sets of data in developing countries is the same. I want the probability of making the wrong decision when the null hypothesis is true to be 9.5%

Solved by X. C. in 15 mins

Hypothesis testing that returns of a company are greater than returns to the market using Data Analysis: t-test: 2 small assuming unequal variances what mean difference should I define?

Solved by E. E. in 28 mins

I want to do hypothesis testing to check if the average salary of two cities is equal. I have sample of 25 people taken from city a and 20 from city B.

Solved by M. L. in 28 mins