Question

The level of calcium in the blood of healthy, young people varies
with a mean of 9.5 mg per deciliter and a Standard Deviation of 0.4
mg. A clinic in rural Vellore measures the blood calcium level of 180
healthy pregnant women and finds the mean = 9.57 mg. Is this an
indication that the mean calcium level in this population differs from
9.5 mg?

Answer 1

Answer:

I don't know the answer to it