Whats 1/5 x 26 estimated

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction