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Question 8 4pts The CDC wants to determine why COVID-19 infection rates are lower in some states than in others. What statistical method would be

Question 8

4pts

The CDC wants to determine why COVID-19 infection rates are lower in some states than in others. What statistical method would be most appropriate?

Group of answer choices

A hypothesis test with a null hypothesis that the infection rate is less than or equal to the expected number

A regression with the infection rate as the independent variable

A regression with the infection rate as the dependent variable

A hypothesis test with a null hypothesis that the infection rate is greater than or equal to the expected number

A confidence Interval with the expected number of infections per state as the mean

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