A bank president is interested in determining how effect a new training course w

ID: 3365925 • Letter: A

Question

A bank president is interested in determining how effect a new training course will be in improving the banking knowledge of his employees. The president randomly selects 35 employees and tests their banking knowledge both before and after the training course. Which of the following best describe the population and sample of this study?

Population = all people who use the bank; sample = 35 randomly selected employees

Population = all people who use the bank; sample = all employees at the bank

Population = all employees at the bank; sample = 35 randomly selected employees

Population = 35 randomly selected employees; sample = all employees at the bank

A marriage counselor is interested in the proportion of the clients she counsels that stay married. Which of the following could be an example of a sample?

All the clients at her practice

All clients who see marriage counselors

A group of her clients

15 randomly selected people from the grocery store

The city of Raleigh has 6000 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 250 randomly selected registered voters was conducted. 100 said they'd vote for Brown, 141 said they'd vote for Feliz, and 9 were undecided.

Describe the population actually represented by this survey.

All citizens of Raleigh

All registered voters in Raleigh

All registered voters with telephones in Raleigh

The 250 voters surveyed

The 100 voters who said they'd vote for Brown

None of the above

Which source of bias is most relevant to the following situation:

A research study funded by an avowed atheist finds that over 95% of college biology professors refuse to teach creationism.

voluntary response bias

perceived lack of anonymity

self-interest study

nonresponse bias or missing data

loaded or leading question