Suppose the following data set represents the starting salaries for the population of teachers from nine states: $31,184
$43,839
$35,358
$31,606
$33,549
$39,196
$35,541
$34,972
$39,674
Part A: Calculate the mean of the data set. (3 points)
Part B: Calculate the five-number summary. (3 points)
Part C: Calculate the standard deviation of this data set. (4 points) (10 points)

the anwser is d) 75°

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

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