7. STATISTICSA class of 32 students participated in running a 400 m race in preparation for their sports day.The time, in seconds, taken by each student is recorded below.83 34 36@(b)58 82 858281 8034 82 3272 98 7350-5455-5960-6465-6970-7475-7980-84617871.Copy and complete the frequency table to represent this data.Time in secondsFrequency346Using the raw scores, determine the range for the data.77887100

Answered: Image /qna-images/answer/d1a52534-ae80-42fc-88d2-18bc02359d1c.jpg

Answered: 7. STATISTICS A class of 32 students…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Questions: a,b,c
Can you answer ONLY 28 G and H thanks i only need G AND H
Two-Way Frequency Tables Practice 1. The students in a seaside school will have to take extra swimming lessons if they cannot swim. The table below gives information about the students in grades 7, 8 and 9. Can swim Cannot Total swim Grade 7 120 60 180 179 Grade 8 168 11 Grade 9 172 3. 175 74 534 Total a. Complete the table. 74 b. How many students need swimming lessons?. 179 c. How many students are there in 8th grade? d. How many of the 7th grade students cannot swim? (00 e. How many students in grades 7 and 8 can swim? 288 f. How many students are there altogether in grades 7, 8, and 9? 534 g. What is the probability that a student is a 7th grader? 32 h. What is the probability that a student is an 8th grader and can swim to all 8th graders? A 33 i. What is the probability that a student cannot swim? 14
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 5, 13, 16, 4, and 3 o respectively. Using percentages, what are the relative frequencies of the five classes? Complete the table. Grade Frequency Relative frequency. A % 13 % 16 4. F. (Round to two decimal places as needed.) BCD
A frequency table of grades has five classes (A, B, C, D, F) with frequencies of 2, 15, 18, 4, and 2 respectively. Using percentages, what are the relative frequencies of the five classes? Complete the table. Grade Frequency Relative frequency A 2 % B 15 % 18 D 4 % F 2 % (Round to two decimal places as needed.)
Use the cumulative frequency table on the left(top) to fill in the table on the right.(bottom) Classes Cumulative Frequency Under 10 7 Under 20 19 Under 30 38 Under 40 55 Under 50 60 Classes Frequency Relative Frequency 0-9 10-19 20-29 30-39 40-49
Can you fill the table according to data? Thank you!
Q For the data given : 84 80 81 62 84 74 67 90 44 40 80 9664 7174 4175 78 57 52 65 44 54 67 70 92 76 82 85 80.Construct less then cumulative frequency table using k36, the less then cumulative frequency result will be: *
In the frequency distribution below, the first column (class limits) gives the age ranges (in years) of people who participate in a survey. The second column gives the frequency for each age range. a. Determine the class width. If needed, you can use the space below the table. b. Complete the rest of the frequency distribution. For the relative frequency column, round your answers to 2 decimal places. Class Limits Frequency Class Boundaries Class Midpoints Relative Frequency Cumulative Frequency 18-26 16 27-35 24 36-44 38 45-53 34 54-62 26 63-71 12 Total 150
Using the table below to calculate all the relative frequencies (A-E) and all the cumulative frequencies (AA - EE). PARTICIPATING AGE INTERVAL FREQUENCY RELATIVE FREQUENCY RELATIVE FREQUENCY 10-19 2 A AA 20-29 10 B BB 30-39 34 C CC 40-49 3 D DD 50-59 1 E EE What value would be in box B?
MY NOTES ASK YO Suppose that the following relative frequency table represents hurricanes that have made direct hits on land. Hurricanes are given a strength category rating based on the maximum wind speed generated by the storm. Frequency of Hurricane Direct Hits Category Number of Direct Hits Relative Frequency Cumulative Frequency 1 105 0.3723 87 0.3085 0.6809 3 66 0.2340 4 19 0.9823 0.0177 1.0000 Total = 282 What is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.) 0.2340
attached - see images - complete the table below

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