Single Variable Statistics

What is the word in statistics for any characteristic or attribute of a person, place, or thing?

• variable

• descriptive statistic

• inferential statistic

• parameter

What are characteristics that are defined by a number, such as age or weight?

• descriptive statistics

• inferential statistics

• categorical variables

• numerical variables

What is a characteristic of a sample?

• parameter

• statistic

• categorical variable

• numerical variable

What is the branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data?

• Algebra

• Geometry

• Probability

• Statistics

What is a quantitative variable that could have an infinite number of values?

• categorical variable

• qualitative variable

• discrete variable

• continuous variable

What is the median?

• The middle value in a data set, when data is arranged from least to greatest

• The average of all the data values

• The distance between the first quartile and the third quartile

• The median of the first half of the data set

What is a measure of center?

• A summary statistic that describes the typical or middle value in a data set

• A summary statistic that describes how spread out the data is

• The smallest value in a data set

• The largest value in a data set

What is a measure of spread?

• A summary statistic that describes how spread out the data is

• A summary statistic that describes the typical or middle value in a data set

• The smallest value in a data set

• The largest value in a data set

What is the interquartile range?

• The distance between the first quartile and the third quartile

• The middle value in a data set, when data is arranged from least to greatest

• The average of all the data values

• The median of the first half of the data set

What is an outlier?

• A data value that is significantly different than the rest of the data set

• A summary statistic that describes the center of a data set

• A summary statistic that describes the spread of a data set

• A question that can be answered by collected data