Calculate the follwing Stats.
2. A researcher is investigating health measures of elementary aged children in public schools across Miami. One measure of health that she wants to use is BMI. She wants to determine if there are differences in BMI for children who attend in the southern region of the district, the middle region of the district, and the northern region of the district.
What are your hypotheses? Ho: H:
She takes a random sample of five children per region and gets the following data. South Middle North 1 22 21 25 2 22 19 24 3 26 21 27 4 27 25 28 5 23 24 31 Group mean Group SD Group variance Grand mean = Grand SD= Grand variance =
Calculate the grand and all group means, standard deviations, and variances.
Calculate the SSt and dft.
Calculate the SSM and dfM
Calculate the SSR and dfr
Calculate the MSM and MSR.
Calculate the F statistic.
Calculate Eta-squared (n2)