• Compute for the range, the mean deviation, and the standardof each set of grouped data.Scores of Contestants in a Math CompetitionScoresFrequency46 - 501641 - 452136 – 401531 - 351026 – 301721 - 2516 - 201

Answered: • Compute for the range, the mean…

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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Here are the reading scores (out of 60) of 20 randomly selected kindergarten kids in a district 34, 26, 46, 46, 43, 42, 45, 39, 43, 32, 15, 36, 29, 39, 41, 27, 38, 58, 31, 35 Find the 5-number summary for the data set. Min: 15 Q1: OF 58 Find the IQR of the data set. IQR: 11.7 x Find Q3+1.5(IQR).! Q3+1.5(IQR) = 60.6 X Median: 38.5 38.5 Q3: 43 043 Max: 58 Are there any high outliers, that is, are there any numbers in the data set higher than Q3+1.5(IQR)? No, there are no high outliers ✓ OB Find Q₁-1.5(IQR). Q₁-1.5(IQR) Are there any low outliers, that is, are there any numbers in the data set higher than Q₁— 1.5(IQR)? No, there are no low outliers ✓ = 25.3 X
use the dataset given below. 55,56,58,59,59,60,60,62,62,64,67,67,68,68,70,71 find the mean and standard deviation
find 3rd quartile for given data 12,15,14,18,16,1,5,9,6,7,6,7,15,14,16,32,25,5
A group of friends get together every Sunday for a little pick-up hockey. The age of the 20 regulars is shown below. 21 25 26 46 28 22 42 38 22 38 49 44 55 33 45 31 24 43 25 37 Find the mean, median, and mode for the distribution (ungrouped data). Which measure best describes these data? Explain. Group these data into six intervals and produce a frequency table. Determine the mean, and median for a new set of grouped data.
Of the data sets below, which has the largest standard deviation?Set A: 1, 2, 3, 4Set B: 1, 1, 4, 7Set C: 0, 5, 5, 10Set D: 6, 6, 6, 6 Set A Set B Set C Set D
Weights of 9 students (in lbs) before and after a month-long training schedule are given below. Test if the mean weight after training is smaller than the mean weight before training.pre = 124, 152, 129, 144, 150, 152, 138, 161, 140 post =133, 145, 131, 150, 164, 132, 130, 156, 141
The following data represents the number of blogs that a sample of students state they follow. 12, 3, 10, 9, 0, 1, 8, 7, 3, 10, 19 Calculate the standard deviation.
Find descriptive statistics, including the mean, median, mode, range, standard deviation, and quartiles, for each of the four variables described above. Discuss what the statistics you find tell us about the movie industry. According to Total Gross Sales, what movies if any, should be considered high-performance outliers? Explain how you arrived at your answer mathematically. (Use the method on 134 for detecting outliers.) Round any calculations/data to two decimal values. Compute descriptive statistics showing the relationship between total gross sales and each of the other variables. These need to include the covariance and correlation coefficient. Discuss the relationships. Movie Title Opening Gross Sales ($ millions) Total Gross Sales ($ millions) Number of Theaters Weeks in Release Rogue One: A Star Wars Story 155.08 532.18 4,157 20 Finding Dory 135.06 486.30 4,305 25 Captain America: Civil War 179.14 408.08 4,226 20 The Secret Life of Pets 104.35 368.38…
A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
A sample of the lifetime of an electrical component is given bellow, in number of hours: 123, 116, 122, 110, 210, 126, 125, 111, 118, 117 Calculate the sample mean and sample median for these lifetimes. Sample Mean 127.8 Sample Median 120 Can you explain why these two measures of location are so different? Submit Question
Which of the data sets shown below has the smallest standard deviation? 0, 1, 2, 3, 4, 5, 6 0, 0, 0, 100, 500, 500, 500 0, 25, 50, 100, 125, 500, 1000 |0, 1, 5, 5, 5, 5, 6 What is the value for the IQR of the data shown in the boxplot below? 1 2 3 9 10 11 12 13 14 7 8 data 4 5
The table below summarizes the number of hours a sample of college students spent watching television in the past week. Hours Frequency 10 - 12 4 13 - 15 12 16 - 18 20 19 - 21 14 Find the standard deviation.

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• Compute for the range, the mean deviation, and the standard of each set of grouped data. Scores of Contestants in a Math Competition Scores Frequency 46 - 50 16 41 - 45 21 36 – 40 15 31 - 35 10 26 – 30 17 21 - 25 16 - 20 1