Question: Find whether average math score differs, 1. across gender. They do not differ 2. across lunch status. They differ by -16 At 5% significance level.

Find whether average math score differs, 1. across gender. They do not differ 2. across lunch status. They differ by -16 At 5% significance level. At 1% significance level? Use Excel (manual and formulas) and Stata. Please interpret the result in a short paragraph. Find whether average math scores differ, 1. across race/ethnicity (also try after dropping group A and group E) 2. across parental education At 5% significance level. At 1% significance level? Use Stata (anova command). Please interpret the result in a short paragraph

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