1. The following data show responses of 861 young mothers to the question, of whether they watched TV during mealtimes, with response categories as shown in the table.

1. Which result should we trust more? Why?
2. Calculate the ‘expected” rank sums for each of the four ethnic groups in the Kruskal-Wallis H-test.
    

I| watch TV | during meal | times | 0. never | 1. rarely | 2. sometimes | 3. often | 4. always | Freq. 350 155 251 56 49 | Race/Ethnicity | Percent Cum. 40.65 18.00 29.15 6.50 5.69 Total | 861 100.00 40.65 58.65 87.80 94.31 100.00 A one-way ANOVA shows significant differences (p = 0.0026) in the mean responses by race/ethnicity of the mother: Summary of BEH34.1: I watch TV during meal times Mean Std. Dev. ---------- Cauc/NH | 1.1058201 1.111511 Lat./Hisp 1.1616162 1.2403109 Freq. 378 396