Exam 4: A Picture Really Is Worth a Thousand Words

What is the most basic method of illustrating data?

A graph should communicate only one idea.

Should a chart alone convey what we often want to say?

If you were interested in tracking your GPA during the time you are in graduate school, which of the following might you use?

What is a frequency distribution?

What is the vertical axis on a graph called?

What is the frequency distribution that shows frequencies for class intervals, along with the cumulative frequency for each?

What is the middle point of the class interval called?

If you wanted to depict trends in ice cream sales over the four seasons, what kind of chart would you use?

What is the term associated with the upper or lower boundary of a set of scores used in the creation of a frequency distribution?

The largest class interval goes here on a frequency distribution:

What is a method of tallying and representing how often certain scores occur?

If you have a distribution of 50 scores, and you want 10 intervals, what should be the size of your class interval?

A histogram conveys the same information that a frequency polygon does.

If you have a distribution of 50 scores, and you want 5 intervals, what should be the size of your class interval?

Which of the following is NOT an example of a chart or graph?

Why are measures of central tendency and measures of variability important to a visual representation of the distribution of data?

What is a graphical representation of a frequency distribution?

The most basic way to illustrate data is through the creation of a histogram.

Optimally, when choosing a class interval, you should have approximately this many intervals covering the entire range of data.