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Thursday, February 6 th

What are the measures of center? What are the measures of Spread? . Thursday, February 6 th. EOCT Week 4-# 4. Which statement is TRUE about the function? The function is always decreasing . The function values are always negative . The function has no maximum or minimum .

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Thursday, February 6 th

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  1. What are the measures of center? What are the measures of Spread? Thursday, February 6th

  2. EOCT Week 4-#4 Which statement is TRUE about the function? The function is always decreasing. The function values are always negative. The function has no maximum or minimum. d. The range is {1}.

  3. Quiz TOMORROW • Mean • Median • Mode • MAD • Range • IQR • Outliers Comparing Data

  4. Homework Answers Goal: Outlier effecting measures of CENTER

  5. Classwork Answers Goal: Comparing measures of center and spread

  6. Remember! Measures of Center • Mean • Median • Mode *How CENTERED the data is Measures of Spread • Range • MAD • IQR *How SPREAD out the data is

  7. Mean Median Mode Range MAD IQR

  8. IQR

  9. Steps to find the Interquartile Range 1. Arrange the data from least to greatest. 2. Find the median. 3. Find the median of the lower quartile, . 4. Find the median of the upper quartile, . 4. Find the difference between the quartiles.

  10. Compare Centers: Compare Variance/Dispersion/Spread:

  11. IQR On Calculator • Enter data into L1 • STAT- CALC-1VARS • Scroll down to see Q1 Q3 Find difference

  12. Compare Centers: Compare Variance/Dispersion/Spread:

  13. Compare Centers: Compare Variance/Dispersion/Spread:

  14. Outliers

  15. Steps

  16. Analyze Questions to Example 1: What are the outliers? 2. How has the outlier affected the center of the data? 3. How has the outlier affected the spread of the data?

  17. Analyze Questions to Example 2: What are the outliers? 2. How has the outlier affected the center of the data? 3. How has the outlier affected the spread of the data?

  18. Worktime • Ticket to Go • Homework

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