Questions from Statistics

Q: In the 2015 AFC Championship game, there was a charge the

In the 2015 AFC Championship game, there was a charge the New England Patriots deflated their footballs for an advantage. The Patriots’ opponents during the championship game were the Indianapolis Col...

Q: According to Deadline.com, the average price for a movie

According to Deadline.com, the average price for a movie ticket in 2018 was $8.97. A random sample of movie prices in the San Francisco Bay Area 25 movie ticket prices had a sample mean of $12.27 with...

Q: According to Statista.com, the average price of a ticket

According to Statista.com, the average price of a ticket to a Broadway show in 2017 was $109.21. A random sample of 25 Broadway ticket prices in 2018 had a sample mean of $114.7 with a standard deviat...

Q: Ten people went on an Atkins diet for a month. The

Ten people went on an Atkins diet for a month. The weight losses experienced (in pounds) were 3, 8, 10, 0, 4, 6, 6, 4, 2, and -2 The negative weight loss is a weight gain. Test the hypothesis that the...

Q: The following numbers are the differences in pulse rate (beats per

The following numbers are the differences in pulse rate (beats per minute) before and after running for 12 randomly selected people. 24, 12, 14, 12, 16, 10, 0, 4, 13, 42, 4, and 16 Positive numbers me...

Q: The data in the table are from a General Social Survey and

The data in the table are from a General Social Survey and concern gender and political party. a. Find the expected counts and report the smallest. Could we use the table as is, without combining cate...

Q: Report and interpret the 95% confidence interval for the difference in

Report and interpret the 95% confidence interval for the difference in mean triglyceride levels for men and women (refer to the Minitab output in exercise 9.59). Does this support the hypothesis that...

Q: The data in the table come from a General Social Survey.

The data in the table come from a General Social Survey. The top row is the number of children reported for the respondents. The respondents also reported their level of happiness; Very H means Very H...

Q: In a 2009 study reported in the New England Journal of Medicine

In a 2009 study reported in the New England Journal of Medicine, Boyer et al. randomly assigned children aged 6 months to 18 years who had nonlethal scorpion stings to receive an experimental antiveno...

Q: Rats had a choice of freeing another rat or eating chocolate by

Rats had a choice of freeing another rat or eating chocolate by themselves. Most of the rats freed the other rat and then shared the chocolate with it. The table shows the data concerning the gender o...