Question: The following datarepresents the score of 60 studentsin an exam. Construct a frequencydistribution table and determine the:following446449457165686893406863538486567037385771786957457890456259806056706355693645316281899535444969759048356537456372393349alaäi 18 The Standard Deviation (S.D) .5* :of the above data is22.5067 O20.3142 O17.7998 ONone of all above O

Answered: Question: The following data represents…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question: A company conducted a survey to gather data on the ages of its employees. The collected data are as follows: 25, 28, 30, 35, 38, 40, 42, 45, 48, 50. Calculate the range, variance, and standard deviation of the ages.
You are given the following data of an engineering experiment: a) Construct a frequency Table in which the data is arranged in an ascending order. b) Calculate : 1. The mean. 2. The median. 3. The mode. The range. (2 decimal places) 302.2 407.5 409.3 413.0 412.5 603.5 601.3 508.8 302.1 302.1 505.1 505.1 604.6 413.2 302.2 302.1 405.6 405.6 303.2 401.2 402.3 603.6 601.3 603.6 506.7 302.1 408.4 410.6 302.2 603.4 604.6 604.6 505.1 302.1 406.7 411.7 801.0 604.6 603.6 509.7 303.2 601.3 303.2 505.1 601.3 702.2 801.0 413.3
Listed to the right are the selling prices (in thousands of dollars) for a sample of 19 lakeside lots in Pinnacle Peak, a vacation home community in the Blue Ridge mountains. 86 61 148 81 39 142 140 65 28 85 90 92 25 50 85 85 82 120 137 Determine the following: a. the first quartile b. the third quartile c. the median
200 college freshmen were sampled and asked how many hours per week they had spent playing video games, this is the frequency distribution.
1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 62 95 47 57 29 45 74 51 39 70 54 43 73 35 54 20 85 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. c. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by a non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure. 6532
Find the sample standard deviation for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 40 44 1 45 49 8 50 54 3 55 59 4 60 64 6 65 69 11 70 74 2 75 79 9 80 84 5
A random sample of 15 college students were asked "How many hours per week typically do you work outside the home?" Their responses are shown on the right. 13 30 4 Determine the shape of the distribution of hours worked by drawing a frequency histogram and computing the mean and median. Which measure of central tendency better describes hours worked? 13 6. 17 19 23 18 18 21 27 24 9 25 ..... Choose the correct frequency histogram below. OA. O B. C. Hours Worked Hours Worked Hours Worked per Week per Week per Week 10 20 30 10 20 30 10 20 30 hours hours hours Is the histogram for the data set skewed right, skewed left, or symmetric? skewed right skewed left O symmetric The mean number of hours worked by college students outside the home is approximately hours. (Type an integer or decimal rounded to three decimal places as needed.) The median number of hours worked by college students outside the home is hours. Which measure of central tendency better describes hours worked? median mode…
Complete the Frequency Distribution table for the following scores. Scores: 44, 28, 35, 40, 57, 30, 42, 39, 25, 30, 45, 32, 44, 54, 39, 26, 57, 33, 28, 42, 50, 25, 49, 32, 51, 43, 39, 28, 45, 28, 41, 57, 33, 28, 47, 33, 25 Frequency Distribution cf % cum% 55-57 25-27
Consider the following frequency distribution: Score Freq 7,18,6,77,5,20,4,7,3,3,2,1,1,3 ScoreFrequency: 7,18,6,77,5,20,4,7,3,3,2,1,1,3 a. What was the sample size? b. What percent of participants had a score of 4? c. What is the percentile rank for a score of 5? d. What is the score corresponding to the 80th percentile?
A reviewer decides to interview patrons to see how they would rate a particular restaurant. The following table lists the responses from twenty-five patrons. Construct a frequency distribution for the data. Restaurant Ratings Five Stars One Star Two Stars Three Stars Four Stars Three Stars Four Stars Four Stars Five Stars Three Stars Five Stars Four Stars Five Stars Four Stars Five Stars One Star Three Stars Five Stars One Star One Star Five Stars Two Stars Four Stars Three Stars Five Stars

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