A distribution can have more than one ____ but can have only one _____.
a. median; mode or mean
b. mean; mode or median
c. mode; median or mean
d. median or mode; mean
Describe two common sources of research topics.
What will be an ideal response?
Mode is to _____ and median is to _____.
a. interval and ratio data only; nominal data only
b. nominal data only; ordinal data only
c. all types of data; ordinal, interval, and ratio data only
d. none of the options is correct
Describe why the best strategy for finding a research idea is to begin with a general topic area.
What will be an ideal response?
Arithmetic average is to _____ as score occurring with the greatest frequency is to _____.
a. mean; median
b. median; mode
c. mean; mode
d. mode; median
A good hypothesis should make a positive statement about the existence of a relationship, a difference, or a treatment effect.
a. True
b. False
Indicate whether the statement is true or false
Imagine that 86,999 people who are penniless live in Centerville. Bill Gates, whose net worth is 87,000,000,000, moves to Centerville. Now the mean net worth in this town is _____ and the median net worth is _____.
a. 0; 0
b. 0; 1,000,000
c. 1,000,000; 0
d. 1,000,000; 1,000,000
After reading a discussion section of a research article, asking if there are alternative explanations for the results, is a good way to come up with an idea for a future study.
a. True
b. False
Indicate whether the statement is true or false
When Ms. Jones calculated her students' accounting test scores, she noticed that one student had an extremely low score. Which measure of central tendency should not be used in this situation?
a. mean
b. standard deviation
c. mode
d. median
A good way to come up with a research idea is to look in the discussion section of a research article, and find the discussion of ideas for future research.
a. True
b. False
Indicate whether the statement is true or false
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