Foundation
- 1Frequency Polygons
What value do you plot on the horizontal axis for each class of a frequency polygon?
- 2Tree Diagrams
A spinner has P(win) = 0.3. It is spun twice, independently. Find the probability of winning both times.
- 3Cumulative Frequency
A cumulative frequency graph shows that a cumulative frequency of 45 corresponds to a value of 60 on the horizontal axis, out of 90 total data values. How many data values are above 60?
- 4Box Plots
A box plot for 40 values has lower quartile 15 and upper quartile 25. Roughly how many of the 40 values lie between 15 and 25?
- 5Scatter Graphs and Line of Best Fit
A scatter graph shows points that generally fall from top left to bottom right. What type of correlation does this show?
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