Questions from Business Statistics

Q: Suppose you are given the computer output shown. You want to

Suppose you are given the computer output shown. You want to test the hypothesis, b = 1.0. Describe how you would use the computer output to test this hypothesis.

Q: In a study of memory recall, 8 students from a large

In a study of memory recall, 8 students from a large psychology class were selected at random and given 10 minutes to memorize a list of 20 nonsense words. Each was asked to list as many o...

Q: Breast feeding sometimes results in a temporary loss of bone mass,

Breast feeding sometimes results in a temporary loss of bone mass, as calcium is depleted in the mother’s body to provide for milk production. The paper “bone mass...

Q: Babies born extremely prematurely run the risk of various neurological problems and

Babies born extremely prematurely run the risk of various neurological problems and tend to have lower IQ and verbal ability scores than babies who are not premature. The article “pr...

Q: In a study of memory recall, 8 students from a large

In a study of memory recall, 8 students from a large psychology class were selected at random and given 10 minutes to memorize a list of 20 nonsense words. Each was asked to list as many of the words...

Q: Example 13.5 looked at a study comparing students who use

Example 13.5 looked at a study comparing students who use Facebook and students who do not use Facebook (“facebook and academic performance,” Computers in Human Behavior [2010]: 1237–1245). In additio...

Q: Many people now turn to the Internet to get information on health

Many people now turn to the Internet to get information on health-related topics. The paper “an examination of health, medical and nutritional information on the internet: a comparative study of wikip...

Q: Use the information in the previous exercise to answer the following questions

Use the information in the previous exercise to answer the following questions. a. Construct a 90% confidence interval estimate of the difference in mean Flesch reading ease score for healthrelated p...

Q: The article “genetic tweak turns promiscuous animals into Loyal mates”

The article “genetic tweak turns promiscuous animals into Loyal mates” (Los Angeles Times, june 17, 2004) summarizes a research study that appeared in the June 2004...

Q: The National Sleep Foundation surveyed representative samples of adults in six different

The National Sleep Foundation surveyed representative samples of adults in six different countries to ask questions about sleeping habits (“2013 international bedroom poll Summary of findings,” www.sl...