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# Math dictionary chapter 12

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### Transcript

• 1. Math Dictionary Chapter 12
By: Derek Marsh and Tyler Henderson
• 2. Range, Median, Mean, Mode
Range- The difference between the highest and the lowest #s in the data.
Median- The middle # when the data are put in order
Mean- sum of the #s divided how many #s there are
Mode- the # that appears the most often
• 3. Stem and leaf plot
A way to display data by putting it in order!
• 4. Lower and Upper quartiles
Lower quartile- median of the first half of the data
Upper quartile- median of the second half of the data
• 5. Box-and-whisker plot
Used to organize and display data by breaking into quarters
• 6. Lower and Upper extreme
Lower extreme- lowest # in the data
Upper extreme- highest # in the data
• 7. Circle and line graphs
Circle graph- breaks data into parts of a whole
Line graph- displays data over time
• 8. Tree Diagram
A diagram used to show all the possible outcomes/ combinations
• 9. Fundamental Counting Principle
If one event can occur in m ways and then the second event can occur in n ways. The ways that the two events can occur together is m*n
• 10. Complementary
When one or the other event has to happen probabilities will add up to one
• 11. Unfavorable outcome
The outcome you don’t want to happen
• 12. Odds
The ratio of favorable outcomes to unfavorable outcomes
• 13. Probability
Number of favorable outcomes over the total number of outcomes.
• 14. Independent and Dependent Events
Independent: The first event does not affect the second event.
Dependent: The first event does have an affect on the second event.
• 15. Stem and leaf plot
0 1 8 8 8 8
1 0 0 1 2 2 3 3 9
Mean:10.2
Median:10
Mode: 8
Range: 18
• 16. Fundamental counting principle
8 x 4 x 3= 96
The probability is 1/96