Questions from Business Statistics

Q: Describe the shape of the distribution of bicep circumferences (in inches

Describe the shape of the distribution of bicep circumferences (in inches) for the 250 men in the study of Exercise 10.

Q: For the distribution of e-mails sent by students in Exercise

For the distribution of e-mails sent by students in Exercise 11, describe the shape.

Q: Here are the life expectancies at birth in 190 countries (2014

Here are the life expectancies at birth in 190 countries (2014) as collected by the World Health Organization. 1. Describe the shape. 2. How many modes do you see?

Q: A last is a form, traditionally made of wood, in

A last is a form, traditionally made of wood, in the shape of the human foot. Lasts of various sizes are used by shoemakers to make shoes. In the United States, shoe sizes are defined differently for...

Q: For the 146 life expectancies in Exercise 15, 1.

For the 146 life expectancies in Exercise 15, 1. Which would you expect to be larger: the median or the mean? Explain briefly. 2. Which would you report: the mean or the median? Explain briefly.

Q: For the number of adoptions in Exercise 12, 1.

For the number of adoptions in Exercise 12, 1. Which would you expect to be larger: the median or the mean? Explain briefly. 2. Which would you report: the mean or the median? Explain briefly.

Q: For the bicep measurements in Exercise 10, would you report the

For the bicep measurements in Exercise 10, would you report the mean, the median, or both? Explain briefly.

Q: Hearing anecdotal reports that some patients undergoing treatment for the eating disorder

Hearing anecdotal reports that some patients undergoing treatment for the eating disorder anorexia seemed to be responding positively to the antidepressant Prozac, medical researchers conducted an exp...

Q: The frequencies of traffic fatalities of non-occupants of vehicles are

The frequencies of traffic fatalities of non-occupants of vehicles are shown in the following bar chart. (www.the-numbers.com/research-analysis) Change this to a bar chart of relative frequencies.

Q: For the shoe sizes in Exercise 16, what might be the

For the shoe sizes in Exercise 16, what might be the problem with either the mean or the median as a measure of center?