For Exercises 6.1 and 6.2, a regression estimator could be employed. Compute the relative efficiency of a. ratio estimation to simple random sampling. b. regression estimation to simple random sampling. c. regression estimation to ratio estimation. Can you give practical reasons for the results in parts (a), (b), and (c)

Answer is in the file below

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1. x> -5

2. x< 8

step-by-step explanation:

1. 2x> -10

divide by 2 from both sides of equation.

2x/2> -10/2

simplify, to find the answer.

-10/2=-5

x> -5 is the correct answer.

2. 3x< 24

divide by 3 from both sides of equation.

3x/3< 24/3

simplify, to find the answer.

24/3=8

x< 8 is the correct answer.

i hope this you, and have a wonderful day!