3rd 9 weeks review 14 15
Transcript of 3rd 9 weeks review 14 15
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3rd 9 Weeks Review
Independent or Class Review
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1. 60, 20, 40, 10, 50, 30,
Find the meanFind the median Find the rangeFind the mode
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2. What is an outlier?
12, 15, 23, 15, 30, 87
Identify the outlier in the data set above.
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3. 7, 9, 12, 4, 1, 0, 3, 16, 18, 4, 6, 2
Find the 5 number summary for the data set above.
Min = LQ = Median = UQ = Max =
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4. How do you find the Interquartile Range (IQR)
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5. Use your 5 number summary from the last data set and find the Interquartile Range (IQR)
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6. What does IQR tell us about a data set?
• Hint: The _______ the IQR, the more ______
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7. Which measure of center (mean or median) is affected by outliers?
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8. Which measure of center (mean or median) is not affected by outliers?
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9. Find the MAD of Jaxon’s scores
7, 12, 10, 4, 3
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10. Find MAD for Brandon’s scores:
5, 7, 8, 8, 3
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11. Who is more consistent, Jaxon or Brandon? Why?
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12. <R and < T are complementary. If < T is 64 degrees, what is <R?
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13. <A and <B are supplementary. <A is 135 degrees. What is <B?
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14. Find the missing angles
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15. What’s the relationship between <1 and <4?
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16. What’s the relationship between <1 and <3?
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17. What’s the relationship between <1 and <5?
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18. Solve for X and then label the angles
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19. Solve for X and then label the angles
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20. What are the side requirements to make a triangle?
• Hint: When creating a triangle, the ______ of the measures of the two shortest sides must be _________ than the measure of the third side.
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21. Determine if these side lengths will make a triangle.
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22. Determine the range of the third side of a triangle when given two of the sides:
A. 12, 16B. 20, 43C. 16, 9
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23. What is 35% of 19?
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24. What percent of 34 is 17?
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25. 40 is 34% of what number?
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26. Find the percent of change:
50 is increased to 104
DifferenceOriginal
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27. Find the percent of change:
76 is decreased to 15
DifferenceOriginal
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28. Cal bought a TV and the original price was $786.00 What is the price after a 30% discount?
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29. Kylie bought a pair of jeans for $76. The sales tax was 14%. What is the price of her jeans after taxes?
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30. Find the interest if the principal invested was $400 at 5% rate for 7 years.
• I = prt
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31.
• After 6 years, an account that earns 13% interest has earned $450. How much money was initially deposited?
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32. What is a biased sample?
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33. What is a random sample and name one way to take a random sample.
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34. List the side lengths from smallest to longest.
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35. List the angles from smallest to largest
<T, <S, <U
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36. What measure of center do you use if there IS an outlier?
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37. What exactly is Mean Absolute Deviation (MAD)?
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38. What does a HIGHER MAD (Mean Absolute Deviation ) tell us about a data set?