The data are as follows. The best point estimate for the population standard deviation, σ, is the sample standard deviation, s. Recall the formula for calculating s is s=√((C(xi)-(x)
a) s = √((C(xᵢ)-(x)/n-1
b) s = √((C(xᵢ)-(x)/n
c) s = √((C(xᵢ)-(x)
d) s = √((C(xᵢ)-(x)/n+1