8.1
Always has variability in the response.
What is a statistical question?
Summarizes a data set with a single value.
What is a measure of center?
A diagram that shows the distribution of data values using quartiles, minimum value, and maximum value on a number line.
What is a box plot?
Shows the number of times a value occurs in each interval.
What is a frequency table?
Question for a group of people, has more than one answer, is not a boring yes or no.
What are the three features of a statistical question?
The sum of all the values in a data set divided by the total number of data values in a data set.
What is the mean?
Divides data into quarters, or equal groups.
What is Q1,Q2, and Q3? or What are quartiles?
The bars always touch.
What is a histogram?
Which former U.S. president appears on a nickel?
What is not a statistical question?
The middle data value .
What is the median?
Minimum to Q1.
Q1 to Q2.
Q2 to Q3.
Q3 to Maximum.
What is 25% of a data set?
Helps you organize and analyze data.
What is a frequency chart or histogram?
What are the ages of the students in this class?
What is a statistical question?
Describes how the values in a data set vary with a single number.
What is a measure of variability?
Q1 to Q3.
What is 50% of a data set?
The measure of center that cannot be identified on a histogram.
What is the mode?