A
What divides up a set of data values into equal width bins (bars), where the height of each bin shows the count or proportion of data values that fall within the interval that the width of the bin covers?
Histogram
What is the average of a group of numbers?
Mean
What does the y-axis represent?
the dependent
What is the difference between the greatest and least value in a set of numbers?
Range
What splits each data value into a "stem" (the first digit or digits) and a "leaf" (usually the last digit)?
Stem-and-Leaf Plot
What does the x-axis represent?
The independent
What compares two sets of data values for a single quantitative variable, that you can display both sets together?
Side-by-Side Stem-and-Leaf plot
What is the number that appears most frequently in a set of numbers?
Mode
What is the middle number in a set of ordered numbers?
Median
What places dots along an axis for each case in the data?
Dot Plot
Why do you think there were a lot of people under 10 in 1950?
Baby Boom
What are the three ways to display statistics graphs?
* Dot Plot
* Stem-and-Leaf Plot
* Histogram
What is the one other way to display a statistics graph that we already talked about in a previous unit?
Pie chart
What is your favorite way to display statistics graphs? And why?
Answers will vary
Answer will vary
What do you notice about their projection of 2075? And do you think this will be accurate?
That they think people will live longer
Answer will vary