Questions from Business Statistics

Q: Medical personnel are required to report suspected cases of child abuse.

Medical personnel are required to report suspected cases of child abuse. Because some diseases have symptoms that are similar to those of child abuse, doctors who see a child with these symptoms must...

Q: Describe the two types of errors that might be made when a

Describe the two types of errors that might be made when a hypothesis test is carried out.

Q: Give an example of a situation where you would want to select

Give an example of a situation where you would want to select a small significance level.

Q: Give an example of a situation where you would not want to

Give an example of a situation where you would not want to select a very small significance level.

Q: How accurate are DNA paternity tests? By comparing the DNA of

How accurate are DNA paternity tests? By comparing the DNA of the baby and the DNA of a man that is being tested, one maker of DNA paternity tests claims that their test is 100% accurate if the man is...

Q: The United States elections project (www.electproject .org/

The United States elections project (www.electproject .org/2016g, retrieved January 22, 2017) reported that 57.8% of registered voters in California voted in the 2016 presidential election and that th...

Q: In the report “healthy people 2020 objectives for the nation,”

In the report “healthy people 2020 objectives for the nation,” The Centers for Disease Control and Prevention (CDC) set a goal of 0.341 for the proportion of mothers who will still be breastfeeding th...

Q: The paper “bedtime mobile phone Use and Sleep in adults”

The paper “bedtime mobile phone Use and Sleep in adults” (Social Science and Medicine [2016]: 93–101) describes a study of 844 adults living in Belgium. Suppose that it is reasonable to regard this sa...

Q: The article “most customers oK with new bulbs” (USA

The article “most customers oK with new bulbs” (USA TODAY, February 18, 2011) describes a survey of 1016 randomly selected adult Americans. Each person in the sample was asked if they have replaced st...

Q: The report “robot, You can Drive my car: majority

The report “robot, You can Drive my car: majority prefer Driverless technology” (transportation research institute University of michigan, www.umtri.umich.edu/what -were-doing/news/robot-you-can-drive...