Two-Sample Interpretation A researcher is examining racial differences in drinking behaviors among older adults by comparing whites and non-whites in terms of the number of days per week that they drink. They hypothesize that whites have a higher average number of drinking days per week. After conducting a two-sample hypothesis test, the researcher found the following information: Whites Non-Whites x̄ = 2.52 days x̄ = 1.80 days N = 1,276 N = 387 α=.05 zobt=4.94   How would you interpret their findings?

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Two-Sample Interpretation

A researcher is examining racial differences in drinking behaviors among older adults by comparing whites and non-whites in terms of the number of days per week that they drink. They hypothesize that whites have a higher average number of drinking days per week. After conducting a two-sample hypothesis test, the researcher found the following information:

Whites Non-Whites
x̄ = 2.52 days x̄ = 1.80 days
N = 1,276 N = 387
α=.05
zobt=4.94

 

How would you interpret their findings? 

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