The closing stock prices of 35 U. S. semiconductor manufacturers are given as follows. 8.625; 30.25; 27.625; 46.75; 32.875; 18.25; 4; 0.125; 2.9375; 6.875; 28.25; 24.25; 21; 1.5; 30.25; 70; 43.5; 49.25; 2.5625; 29; 16.5; 9.5; 18.5; 18; 10; 10.5; 16.625; 1.25; 16; 12.87; 9; 12.875; 2.875; 60.25; 29.25

Part (b) Round your answers to two decimal places. (i) x = 20.62 Correct: Your answer is correct. (ii) sx = 17.17 Correct: Your answer is correct. (iii) n = 35 Correct: Your answer is correct.

Complete the table of averages. (Round your answers to two decimal places.)

data average
1.5; 2.875; 2.5625; 1.25; 4 2.44
2.9375; 8.625; 9; 6.875; 4 6.29
9; 8.625; 9.5; 12.87; 10 10.00
12.875; 10.5; 12.87; 16; 18 14.05
16.5; 18.5; 16.625; 18; 21 18.13
29.25; 28.25; 29; 18.5; 24.25 25.85
28.25; 30.25; 30.25; 32.875; 43.5 33.03
60.25; 46.75; 43.5; 30.25; 32.875 42.73
1.25; 1.5; 6.875; 49.25; 60.25 23.83
27.625; 18.25; 46.75; 16; 10 23.73
Part (f)

Use the ten averages from part (e) to calculate the following. (Round your answers to two decimal places.)(i)

x = 20.01

Sx = 12.40

Based upon the theory of the central limit theorem, give the distribution of X. (Round your answers to two decimal places.)

X~N(20.62,)

I have all of the problem solved unthil the last part where the central limited theorem is, I originally had put in 20.62, 12.40 and it is not correct can someone help?