Using the PewSocialMedia dataset, get a 95% confidence interval on the variable Index of Social Media Use

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Using the PewSocialMedia dataset, get a 95% confidence interval on the variable “Index of Social Media Use” for three groups: those who live in urban areas, those who live in suburban areas, and those who live in rural areas. Present your confidence intervals, and explain which groups you can say with confidence differ from one another.

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