1. According to a study done in a rural village on Pohnpei, the mean number of hours spent on farming activities per week was µ = 24 with a standard deviation of σ = 8. For this exercise assume that the number of hours spent in farming was normally distributed.1
Normal Statistics | |||
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Calculate a z value from an x | z | = | =STANDARDIZE(x, µ, σ) |
Calculate an x value from a z | x | = z σ + µ | =z*σ+µ |
Find a probability p(x) from a z value where the probability p is the area to the left of z. | =NORMSDIST(z) |
1 Based loosely on data from a study done by Sarah Schaeffer, Emory University.
Calendar • Statistics • Lee Ling • COMFSM