Categorical data are grouped into non-overlapping categories (such as grade, race, and yes or no responses). ________________ is/are useful for displaying categorical data.

No matter what topic is being studied, the value of the research depends on how well it is designed and done.

Pie charts work best for displaying data for __________ categories.

____________ are extreme, or atypical data value(s) that are notably different from the rest of the data.

What is the Interquartile Range of the following set of data? 2, 6, 9, 12, 8, 15, 17, 10, 13, 3

Low-density lipoprotein (LDL) is an important part of blood cholesterol test. LDL higher than 130mg/dl is a risk factor of developing cardiovascular disease. To prevent cardiovascular disease, a health center had a free blood cholesterol test for all the people older than 65 in the community. A total of eight people attended the blood screening and their blood test results are listed below: LDL(mg/dl): 130,143,114,110,123,110,134,124After the blood test, the nurse wants to know the Interquartile Range of LDL scores: (hint: 25% of LDL scores is 112) The Interquartile Range is ____________.

Bar charts are particularly useful for showing change over time.  

In which graphic are there no gaps between bars?

A line graph displays the ____________________.

Although bar charts are often used to show means, this text recommends that __________ be used instead.