Answer:
The answer is 4.06
Explanation:
mean = 6.25
N = 8
Mean square
(5−6.25)² ≈1.56
(3-6.25)² ≈ 10.56
(2-6.25)² = 17.56
..,..
Sum of mean square= 114.5
√41.31 = 3.78 ≈ 4.00
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