For the following set of scores: 1,4,3,5,7 (a) If the scores are a population, what are the variance and standard deviation?

(b) If the scores are a sample, what are the variance and standard deviation?

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]