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What is the relation between the variables in the equation * =

?

a. y varies directly as x

b. y varies inversely as x

C. y varies jointly as x

d. none of the above

Please select the best answer from the choices provided

I’m stuck on this equation, anyone got the answer?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95