Calculate all values for z to two decimal places

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A researcher knows the weights of six-year olds are normally distributed with a μ=20.9 kg and a σ=3.2, she suspects that children in poverty-stricken regions are undernourished and therefore underweight. With a sample of n=6 children, the researcher obtains a sample mean of X=18.3 kg. Show values for Z critical and Z calculated. Calculate all values for Z to two decimal places (x.xx)

Using α=.01, use a one-tailed test. State in words what the results are.

Reference no: EM13125661

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