Q2:The table show the score of mathematics for 150 students:Score0-7frequency152030508-1516-2324-3132-3940-4730Find Mean, Median and Mode

We need to find Mean, Median, Mode from the following grouped data Score (Class) Frequency 0 -…

Answered: Q2:The table show the score of…

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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Find the mean, median, and mode for the following scores: 8, 7, 5, 7, 0, 10, 2, 4, 11, 7, 8, 7
Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour. Car X drives 109 miles per hour and Car Y drives 117 miles per hour. Use the mean to estimate the speed of Car Z. What is the actual speed of Car Z?
Find the five-number summary for the following 10 values: 22, 22, 25, 19, 35, 29, 28, 19, 32, 27 Find- Q1 : Q3: I need to know how to do this by hand. I CANNOT USE EXCEL FOR MY EXAM. I know how to find the mean, min and max but do not get quartile 1 and quartile 3. Thank you!
Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour. Car X drives 109 miles per hour and Car Y drives 117 miles per hour. Use the mean to estimate the speed of Car Z. Then find the actual speed of Car Z.
Suppose that the mean score of a class of 35 students was 74. The 18 male students in the class had a mean score of 66. What was the mean score for the 17 female students? Mean Score for Female Students =
You recorded the time in seconds it took for 8 participants to solve a puzzle. The times were: 15.2, 18.8, 19.3, 19.7, 20.2, 21.8, 22.1, 29.4. a. Find the mean b. Find the median c. Write the 5-number summary for this data
Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored 75, 83, and 81 on her three in-class tests and also has a homework average of 88. Her professor calculates the class grade by finding the mean of five grades: three in-class tests, the homework average and the final exam. What is the minimum score Joselyn must earn on the final exam to have a class grade (mean) of 80? A. 67 B. 95 C. 70 D. 73
The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 3131 hours and the median is 27.227.2 hours. Twenty-four of the families in the sample turned on the television for 1616 hours or less for the week. The 7th percentile of the data is 1616 hours. What is the value of the 50th percentile?
At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs.William's class scored 61 points. Mr. Adams class earned 48 points. Mrs. Brown's class earned 50 and Mrs.Daniel's class earned 50. Determine the mean, median, mode and range of the number of points scored.
Eugene must take four exams in a geography class. If his scores on the first three exams are 91, 67, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70 (b) at least 80
Eugene must take four exams in a geography class. If his scores on the first three exams are 93, 68, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70(b) at least 80(c) at least 90
Find the mean, median, and mode for the following scores: 8,7,5,7,0,10,2,4,11,7,8,7

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Q2:The table show the score of mathematics for 150 students : Score 0-7 8-15 16-23 frequency 15 20 30 24-31 32-39 40-47 50 30 Find Mean, Median and Mode