8.
BBUNDERSTAT12 2.1.020.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 8. [0.06/1.04 Points] DETAILS PREVIOUS ANSWERS "Readability Levels of Magazine Ads," by F.K. Shuptrine and D.D. McVicker, is an article in the Journal of Advertising Research. The following is a list of the number of three-syllable (or longer) words in advertising copy of randomly selected magazine advertisements. 34 21 37 31 10 24 39 10 17 18 32 17 3 10 6 22 25 3 OUT 5 2 3 4 29 26 5 5 24 8 16 9 10 12 10 10 10 15 11 12 13 1 43 13 14 32 24 15 LA USE SALT Use eight classes. (a) Find the class width. X (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to two decimal places.) Class Limits Class Boundaries Relative Cumulative Lower - Upper Lower - Upper Midpoint Frequency Frequency Frequency 0 - 5 X X 6 - 11 12 - 17 18 - 23 24 - 29 30 - 35 36 - 41 42 - 47O mound-shaped symmetrical 4 (f) Draw an ogive. (Graph each point and the closed line segments connecting the points to create your graph. This cannot be done in SALT.) Need Help? i 7. [0.88/1 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 2. 1.017.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Certain kinds of tumors tend to recur. The following data represent the lengths of time, in months, for a tumor to recur after chemotherapy (Reference: D.P. Byar, Journal of Urology, Vol. 10, pp. 556-561). 19 18 1 21 54 46 25 49 50 1 59 39 43 39 5 9 38 18 14 45 54 59 46 50 29 12 19 36 38 40 43 41 10 41 25 19 39 27 20 LA USE SALT For this problem, use five classes. (a) Find the class width. 12 (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to two decimal places.) Class Limits Class Boundaries Midpoint Frequency Relative Cumulative Frequency Frequency 1 12 0.5 12.5 6.5 6 0.14 6 13 24 12.5 24.5 18.5 10 0.24 16 25 36 24.5 36.5 30.5 5 0.12 21 37 48 36.5 48.5 42.5 13 0.31 34 49 60 48.5 60.5 54.5 8 0.19 42 (c) Draw a histogram. 0.3 12O skewed right 1' (f) Draw an ogive. (Graph each point and the closed line segments connecting the points to create your graph. This cannot be done in SALT.) 6. [1.04/1.04 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 2. 1.016.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The following data represent glucose blood levels (mg/100 ml) after a 12-hour fast for a random sample of 70 women (Reference: American Journal of Clinical Nutrition, Vol. 19, pp. 345-351). 45 66 83 71 76 59 59 76 82 80 81 85 77 82 90 87 72 79 69 83 71 87 69 81 76 96 83 67 94 101 94 89 94 73 99 93 85 83 80 78 85 83 84 74 81 70 65 89 70 80 84 77 65 46 80 0 75 45 101 71 109 73 73 80 72 81 63 LA USE SALT For this problem, use six classes. (a) Find the class width. 11 (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to four decimal places.) Relative Cumulative Class Limits Class Boundaries Midpoint Frequency Frequency Frequency 45 55 44.5 55.5 50 3 0.0429 3 56 66 55.5 66.5 61 0. 1 10 67 77 66.5 77.5 72 0.3143 32 78 88 77.5 88.5 83 26 0.3714 58 89 88.5 99 5 94 9 0.1286 67 100 110 99.5 110.5 105 13 0.0429 70 (c) Draw a histogram. 25O mound-shaped symmetrical (f) Draw an ogive. (Graph each point and the closed line segments connecting the points to create your graph. This cannot be done in SALT.) 70 Graph Layers Clear All 65 Point 1 X 60 55 O Point 2 X 50 Fill 45 Point 3 X 40 Point 4 X 35 30 Point 5 X No Solution 25 20 Point 6 X 15 Point 7 X 10 5 Help 66 77 88 99 110 WebAssign. Graphing Tool + Submission Data X