Help please easy alot of points if you put a terrible answer I'm reporting (4pts) Find the a. mean and b. standard deviation for the data set. Round to two decimal places. SHOW ALL WORK.
Number of Television Sets per 100 people in 5 countries: 75, 45, 80, 60, 65

a.) Mean = b.) Standard Deviaion =

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168