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- 1. Multiple Choice
What is a numerical variable?
A variable that can be measured or described with numbers
A variable that can be described in terms of categories or qualities
A variable that cannot be measured or described with numbers
A variable that has a single answer and no variation
- 2. Multiple Choice
What is a data point?
A specific observation or value of a variable
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
- 3. Multiple Choice
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
- 4. Multiple Choice
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
- 5. Multiple Choice
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
- 6. Multiple Choice
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
- 7. Multiple Choice
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
- 8. Multiple Choice
What does a symmetric distribution indicate?
The right and left sides of the distribution are approximately mirror images of each other
An asymmetrical but generally bell-shaped distribution
The mode lies off to one side and the mean is typically not equal to the median
The data points are spread out and not clustered
- 9. Multiple Choice
What is a box plot?
A graphic way of showing a summary of data using the median, quartiles, and extremes of the data
A graphical display of data using dots on a number line
A graph of vertical bars representing the frequency distribution of a set of data
A summary statistic that describes the typical or middle value in a data set
- 10. Multiple Choice
What is the mean?
The mean is the highest value in a set of numbers.The mean is the lowest value in a set of numbers.The mean is the middle value in a set of numbers.The mean is the average value of a set of numbers. - 11. Multiple Choice
What is the standard deviation?
The standard deviation is the average distance from the mean
The standard deviation is the lowest value in a set of values.The standard deviation is the highest value in a set of values.The standard deviation is the average of a set of values. - 12. Multiple Choice
Which data display is best for finding the median of a data set?
Box plot
Dot plot
Histogram
- 13. Multiple Choice
Which data display is best for finding the mean of a data set?
Box plot
Dot plot
Histogram
- 14. Multiple Choice
Which data display is best for finding the values of specific data points?
Box plot
Dot plot
Histogram
- 15. Multiple Choice
Which data display CANNOT be used to find the minimum and maximum values?
Dot plot
Box plot
Histogram
- 16. Multiple Choice
What is a histogram good for?
Finding patterns in large data sets
Finding specific data values
Finding summary statistics
Finding the five-number summary
- 17. Multiple Choice
What is a dot plot good for?
Finding patterns in large data sets
Finding specific data values
Finding summary statistics
Finding the five-number summary
- 18. Multiple Choice
What is a box plot good for?
Finding patterns in large data sets
Finding specific data values
Finding summary statistics
Finding the five-number summary
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