What is the Mean of the following data? What is the Median of the following data?

What is the Deviation of the person who scored 7 goals?

What is the Standard Deviation of the following data?

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

If log_3(x)=4.5 and log_3(y)=3, what is log_3(x^2/y)? a. 3b. 6.75c. 6d. 1.5

How many zeros does this polynomial function, y=(x-8)(x+3)^2