If You Wish to Estimate with 95% Confidence the Average

question 125

Multiple Choice

If you wish to estimate with 95% confidence the average number of miles that students living off-campus commute to classes every day, a random sample of 20 students produced a mean equal to 5.2 miles and a standard deviation of 3.05 miles. Then, the upper limit for a 95% confidence interval estimate for the true population mean is approximately:

• A) 3.22
• B) 6.63
• C) 5.20
• D) 2.15
• E) 1.96

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Definitions:

White Families

Refers to households or family units identified as white based on racial or ethnic classification, often used in demographic and socio-economic analyses.

Population in Poverty

The portion of the community that lives below the poverty line, unable to afford basic human needs like clean water, nutrition, health care, education, clothing, and shelter.

Poverty Rates

The percentage of the population that lives below the poverty line, which is often defined as the income level at which a person cannot afford the minimum necessities for life.

Elderly

Individuals of an older age, typically considered to be those aged 65 and over.