Questions from Statistics

Q: In an Eagleton Institute poll, surveyed men were asked if they

In an Eagleton Institute poll, surveyed men were asked if they agreed with this statement: “Abortion is a private matter that should be left to women to decide without government intervention.” Among...

Q: In a recent year, the value of cross-border trade

In a recent year, the value of cross-border trade in counterfeit and pirated goods was $254.63 billion.

Q: I used a meter stick to measure the length of my bed

I used a meter stick to measure the length of my bed to the nearest micrometer.

Q: An IRS agent reviews tax returns to identify the following: (

An IRS agent reviews tax returns to identify the following: (1) mistakes made in calculations and (2) incorrect entries that were intentionally made to lower the tax bill. Discuss whether each problem...

Q: Before taking off, a pilot is supposed to set the aircraft

Before taking off, a pilot is supposed to set the aircraft altimeter to the elevation of the airport. A pilot leaves from Denver (altitude 5280 feet) with her altimeter set to 2500 feet. Explain how t...

Q: A smartphone battery is supposed to provide 3.8 volts.

A smartphone battery is supposed to provide 3.8 volts. An aftermarket supplier manufactures 5000 replacement batteries and finds that they have a mean output of 3.8 volts, but about half of the batter...

Q: Former New York City Police Commissioner Raymond Kelly criticized the city’s statistics

Former New York City Police Commissioner Raymond Kelly criticized the city’s statistics on shootings by claiming that they were being underreported. If shootings were being underreported, is that a ra...

Q: Randomly selected adult subjects are asked to report their total annual income

Randomly selected adult subjects are asked to report their total annual income.

Q: The annual incomes of 200 people are obtained from their tax returns

The annual incomes of 200 people are obtained from their tax returns.

Q: The health commissioner of Los Angeles estimates the number of cigarettes smoked

The health commissioner of Los Angeles estimates the number of cigarettes smoked in her city from data for taxes collected on sales of cigarettes.