1. CUMULATIVE TEST REVIEW Statistics and Chapter 7

2. STATISTICS QUESTION ONE 12, 18, 22, 25, 27, 30, 31, 65 Find the mean, median, and quartile values of the data. Is the mean or the median the best representation of the data, explain.

3. STATISTICS QUESTION ONE The mean is 28.75. The median is 26. Quartile One is 20. Quartile Three is 30.5 The median is the best measure because it is not impacted by the outlier as much as the mean.

4. The box plot A shows the age of males in an independent living facility. The box plot B shows the age of females in an independent living facility. What conclusions can you make about the median age of males and females and the variability of their ages. A (male) B (female) STATISTICS QUESTION TWO

5. The median age of the two groups is the same. The range of the ages of the women is greater than that of the men.

6. STATISTICS QUESTION THREE Use the means and standard deviations of the graphs below to compare and describe the test scores for teenagers taking the written driver’s test. Age 16 applicantsAge 18 applicants

7. STATISTICS QUESTION THREE They have the same mean. The standard deviation of the 16 year olds is larger than that of the 18 year olds because the data is more spread out.

8. CHAPTER 7 QUESTION ONE

10. CHAPTER 7 QUESTION TWO

12. CHAPTER 7 QUESTION THREE

14. CHAPTER 7 QUESTION FOUR

16. CHAPTER 7 QUESTION FIVE

18. CHAPTER 7 QUESTION SIX

20. CHAPTER 7 QUESTION SEVEN Graph State the domain and range

21. CHAPTER 7 QUESTION SEVEN Domain: All Reals Range: All Reals

22. CHAPTER 7 QUESTION EIGHT Given Describe the horizontal shift. Describe the vertical shift. What is the domain? What is the range?

23. CHAPTER 7 QUESTION EIGHT A)3 left B)1 down C)x ≥ -3 D)y ≥ -1

24. CHAPTER 7 QUESTION NINE f(x) = x + 4 and g(x) = 3x - 1 Find: f(x) + g(x)

25. CHAPTER 7 QUESTION NINE Domain: All Reals

26. CHAPTER 7 QUESTION TEN f(x) = x + 4 and g(x) = 3x – 1 Find:

27. CHAPTER 7 QUESTION TEN Domain:All reals except -4.

28. CHAPTER 7 QUESTION ELEVEN f(x) = x + 4 and g(x) = 3x – 1 Find:g(f(x))

29. CHAPTER 7 QUESTION ELEVEN

30. CHAPTER 7 QUESTION TWELVE Find the inverse of.

31. CHAPTER 7 QUESTION TWELVE