09.04 Normal Distributions Questions 1-10 of 10 | Page 1 of 1 Question 1 (5 points) Two curves representing normal distributions are shown. Does the solid curve or dashed curve have a greater standard deviation? Explain how you know. A X B IVES'S InQuestion 2 (5 points) Here is a histogram of a distribution with 94 data points. 12 10 8 - 6 4 2 0 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 What proportion of data points fall into the interval 47 to 48?Question 3 (5 points) This relative frequency histogram shows the distribution of average daily temperatures (in degrees Fahrenheit)for a town over the course of 5 years. Match each temperature interval in Column A with the propotion of days over the 5 years whose average temperature fell in that interval in Column B. 18 .16 .14 .12 .10 .08 .06 .04 .02 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 average daily temperature ("F) Column A Column B 1. 60 to 66 degrees Fahrenheit a. 0.163 2. 66 to 68 degrees Fahrenheit b. 0.207 3. 68 to 70 degrees Fahrenheit C. 0.10 4. 70 to 71 degrees Fahrenheit d. 0.032 5. 73 to 74 degrees Fahrenheit e. 0.291Question 4 (5 points) Here is a histogram of a distribution with 50 data points. 10 8 6 - 4- 2 0 80 81 82 83 84 85 86 87 88 89 90 91 What portion of data points fall into the interval 80 to81?Question 5 (5 points) How many data points are presented in the histogram? 5 3 2 0 0 1 2 3 4 5 6 7 8 9 10 11 O a 5 Ob 11 OC 15 O d 16Question 6 (5 points) Two curves representing normal distributions are shown. Does the solid curve or dashed curve have a greater standard deviation? Explain how you know. XQuestion 7 (5 points) Here is a histogram of a distribution with 50 data points. 10 8 6 41 2 0 80 81 82 83 84 85 86 87 88 89 90 91 What portion of data points fall into the interval 88 to 89?Question 8 (5 points) Here is a histogram of a distribution with 94 data points. 12 10 8 1 6 - 4 2 0 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 What proportion of data points fall into the interval 53 to 54?Question 9 (5 points) Here is a histogram of a distribution with 94 data points. 12 10 8 1 6 4 2 0 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 What proportion of data points fall into the interval 50 to 51?Question 10 (5 points) Here is a histogram of a distribution with 50 data points. 10 8 6 41 2 0 80 81 82 83 84 85 86 87 88 89 90 91 What portion of data points fall into the interval 83 to 84