One of the skills that you should have after graduating from the class is to be able to manipulate statistical formulas to derive other statistical formulas.

Please realize that this is nothing different from solving equations for a given variable, something you actually know how to do it. If you need an refresher, please watch the following video.

Solving Equations for a variable(Links to an external site.)

Flag question: Question 1Question 11 pts

The formula for population mean is:

=XN=XN

Solve it for XX.

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Flag question: Question 2Question 21 pts

The formula for sample proportion is

p=Xnp=Xn

Solve for n.

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Flag question: Question 3Question 31 pts

The formula for population mean is:

=XN=XN

Solve it for N.

Please do not upload a file with your answer but use "insert" button to copy your answer inside the answer window. Thank you.

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12pt

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Flag question: Question 4Question 41 pts

The formula for z-test for proportion is:

z=pppqnz=pppqn

Solve it for p.

Please do not upload a file with your answer but use "insert" button to copy your answer inside the answer window. Thank you.

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12pt

Paragraph