How many observations would fall beyond two sample standard deviations below and above the sample mean? A. 0 B. 1 C. 2 D. 3
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A: Count, N: 10 Sum, Σx: 97 Mean, x̄: 9.7 Variance, s2: 50.2333
Q: SE Mean
A: Country- CHINA Sample size (n) =50 Sample mean (x¯) = 22.5 Standard deviation (σ)=9.75
How many observations would fall beyond two sample standard deviations below and above the sample
A. 0
B. 1
C. 2
D. 3
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