Question

A researcher is interested in investigating potential differences in intelligence among members of different sports/activity teams in high school. Specifically, the researcher is interested in differences in intelligence among Chess Team, Soccer Team, and Football Team members. To this end, the researcher gathered intelligence test (IQ) data on a random sample of chess, soccer, and football team members. The data collected for this study reside in the table below. Perform a one-way ANOVA to determine if significant differences in intelligence exist among the three teams. Please show all work for hand calculations.

Chess	Soccer	Football
113	103	100
116	108	102
115	109	103
115	102	96
125	104	98
130	109	99

1. Calculate the group means and grand mean and put your answers in the spaces provided.

Chess______                           Soccer_______                       Football_______

Grand Mean_______

2. Please write the null hypothesis for this analysis in both equation and written form.

3. Please write the research hypothesis for this analysis in both equation and written form.

4. Fill in the source table below based on your calculations:

Source	SS	df	MS	F
Between-Groups
Within-Groups
Total

Answer 1