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1. Mathematics 7 Examination Scores of 50 students. (Use i = 6) 的%的乃的 88%8古 配%的乃列 3乃乃的呢 叫%2的 R%刀%为 847%万 87引的% %幻斜刀刀

1. Mathematics 7 Examination Scores of 50 students. (Use i = 6) 的%的乃的 88%8古 配%的乃列 3乃乃的呢 叫%2的 R%刀%为 847%万 87引的% %幻斜刀刀

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 14PPS
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Answer 1 & 2 Asap. Example was provided. Thank you
1. Mathematics 7 Examination Scores of 50 students. (Use i = 6) 96 69 63 69 70 76 39 82 95 88 57 77 88 43 55 94 73 66 69 98 84 81 82 71 77 90 76 86 59 63 71 85 49 93 92 72 68 73 89 75 79 90 74 75 78 60 48 90 64 69 2. On the first day of class last school year, 30 students were asked for their one-way travel time from home to school (to the nearest 5 minutes). The resulting data were as follows: (Use eight class) 20 25 35 30 25 20 40 20 15 25 15 20 20 40 50 20 20 25 25 30 25 25 20 20 15 20 15 25
Transcribed Image Text:1. Mathematics 7 Examination Scores of 50 students. (Use i = 6) 96 69 63 69 70 76 39 82 95 88 57 77 88 43 55 94 73 66 69 98 84 81 82 71 77 90 76 86 59 63 71 85 49 93 92 72 68 73 89 75 79 90 74 75 78 60 48 90 64 69 2. On the first day of class last school year, 30 students were asked for their one-way travel time from home to school (to the nearest 5 minutes). The resulting data were as follows: (Use eight class) 20 25 35 30 25 20 40 20 15 25 15 20 20 40 50 20 20 25 25 30 25 25 20 20 15 20 15 25
34-36 II 2. 37-39 0. 40-42 Total 45 Example 3. Prepare a group frequency distribution on the scores of 40 students in a math quiz. Shown below are their scores. Use i = 3. 86 83 81 81 86 91 79 82 81 87 87 83 82 72 73 78 87 71 94 91 90 82 85 88 71 99 76 96 80 89 98 89 82 80 75 90 72 83 74 85 Solution: Follow the steps on constructing a group frequency distribution table. Tally Lowest score: 71 Class Interval Frequency (f) Highest score: 99 i = 3 71-73 74- 76 III 3 77-79 I3D Since the lowest score is 71 then the lower limit of first class interval will start at 71. 80-82 9. Thus, 83 - 85 Lower limit: 71 86-88 6. Upper limit: = 71 + (i – 1) = 71 + (3 – 1) = 71 + 2 89 -91 6. 92- 94 1 = 73 95 - 97 1 First class interval: 71-73 98 - 100 II Total 40 71-73 Second class interval: +3 +3 74-76 74-76 Third class interval: +3 +3 77-79 INDANAO STATE UNIVERSITY-INTEGRATED LABORATORY SCHOOL %3D
Transcribed Image Text:34-36 II 2. 37-39 0. 40-42 Total 45 Example 3. Prepare a group frequency distribution on the scores of 40 students in a math quiz. Shown below are their scores. Use i = 3. 86 83 81 81 86 91 79 82 81 87 87 83 82 72 73 78 87 71 94 91 90 82 85 88 71 99 76 96 80 89 98 89 82 80 75 90 72 83 74 85 Solution: Follow the steps on constructing a group frequency distribution table. Tally Lowest score: 71 Class Interval Frequency (f) Highest score: 99 i = 3 71-73 74- 76 III 3 77-79 I3D Since the lowest score is 71 then the lower limit of first class interval will start at 71. 80-82 9. Thus, 83 - 85 Lower limit: 71 86-88 6. Upper limit: = 71 + (i – 1) = 71 + (3 – 1) = 71 + 2 89 -91 6. 92- 94 1 = 73 95 - 97 1 First class interval: 71-73 98 - 100 II Total 40 71-73 Second class interval: +3 +3 74-76 74-76 Third class interval: +3 +3 77-79 INDANAO STATE UNIVERSITY-INTEGRATED LABORATORY SCHOOL %3D
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