Question

1. Angelina Jolie conducts a study comparing birthweights (in pounds) of infants born to mothers of various ages. Is there a difference in birthweight based on maternal age? The data are:
   

	Mother’s Age
	< 20 years	20-29 years	30+ years
Birthweight	8.4	7.5	6.9
	7.3	6.3	7.1
	9.1	6.9	5.7
	7.8	5.4	6.5

Complete the ANOVA Table below (please use the back of this page for your manual calculations – SHOW YOUR WORK!!), and below the ANOVA Table, write your conclusion and interpretation of the results of your ANOVA test.

ANOVA Table:

Source of Variation	SS	df	MS	F statistic
Between Samples
Within Samples
Total			(leave blank)

Critical F (F_c):

Conclusion & Interpretation:

Answer 1