E ckymen Ciner Logi Sessan Eesira o". b Selng Asiste Synin Vww Portrait Pro.. 3 Nurang tradtion. Unit 4. Lesson 6: Areas in Histograms Destiy Otongbu 6 of 18 Next > Story Submissions 40 What proportion of stories in this group are within 1 standard deviation of the mean number of words? 35 30 25 20 15 What proportion of stories in this group are within 2 standard deviations of the mearn number of words? 10 1,400 1,800 2,200 2,600 3,000 3,400 3,800 words per story Share with Class 5. II

E ckymen Ciner Logi Sessan Eesira o". b Selng Asiste Synin Vww Portrait Pro.. 3 Nurang tradtion. Unit 4. Lesson 6: Areas in Histograms Destiy Otongbu 6 of 18 Next > Story Submissions 40 What proportion of stories in this group are within 1 standard deviation of the mean number of words? 35 30 25 20 15 What proportion of stories in this group are within 2 standard deviations of the mearn number of words? 10 1,400 1,800 2,200 2,600 3,000 3,400 3,800 words per story Share with Class 5. II

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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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b) Exhibit 2 shows the histogram and Exhibit 3 gives a table of summary statistics for the individual’s age of those included in the data. i) From Exhibit 2, with examples, provide three essential items that could improve the above chart. ii) From Exhibit 3, What is the median value and how do you obtain it. iii) From the answer you provided in part (ii) and based on Exhibit 2 and Exhibit 3, describe the shape of the distribution of this data. Give some intuitive explanation for why this data produces this shape. c) Use Exhibit 3 to interpret in context the central tendency of the smoker’s “Age”. d) i) Write down the formula for the sample standard deviation and using the sample variance from Exhibit 3 calculate the standard deviation value. Show all workings. ii) Other measures of the spread/dispersion of the data are the Range, Interquartile Range and Coefficient of Variation. From Exhibit 3, calculate the Range IQR, and CV Give interpretations for…
10. Refer back to the histogram from question #4.(Attatched)a. Compute the mean number of shipping daysc. Write the 5-number summary for this data.d. Create box plot.
the driving distances (miles) to wor of 30 people are shown below. assume the population standard deviation is 8 miles. Find: 12, 9, 7, 3, 27, 21, 2, 30, 7, 4, 1, 10, 2, 9, 2, 28, 7, 10, 13, 6, 13, 7, 3, 13, 6, 6, 3, 13 ,12, 16, 18 a) the point estimate of the population mean b) the margin of error for a 95% confidence interval c) contruct a 95% confidence interval for the population mean.
mttps://www-awu.aleks.com/alekscgi/x/tsl.exe/1o u IgNsikr/j8P3jH-1Blu6HU15W4Mrw75 O DESCRIPTIVE STATISTICS Constructing a frequency distribution for grouped data en cyclists were each asked the distance in miles they biked last week. heir responses are given below. omplete the grouped frequency distribution for the data. the distribution, the frequency of a class is the number of distances in tha Note that we are using a class width of 5.) 8 3 Distance in miles 18 12 6 7 10 20 13 3 Explanation Check Distance in miles 1 to 5 6 to 10 11 to 15 16 to 20 Frequency = O
1. 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 8, 8, 8, 9, 10, 11, 11, 13, 15, 15, 21,24, 28, 32 a. Construct a frequency table. b. Construct a histogram (use 5 as the number of classes and starting point at 1).
eleaming.ibrict.edu.om/mod/quiz/attempt.php?ar Run R code online R Course: 56 ITNT403... h YouTube Gmail ick Start Guide - Time left 0:28:40 Check whether the following frequency distribution for 35 data is correct or incorrect? Class limit Frequency 12-15 on 15-18 18- 22 10 22-25 13 25- 28 O Class limit is incorrect and Frequency is incorrect O Class limit is correct and Frequency is correct O None of these O Class limit is incorrect and Frequency is correct
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Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an) a bar chart. b. frequency distribution. c. pie chart. d. cumulative frequency distribution. ______ 2. The distance between consecutive lower class limits is called the a. class interval. b. frequency distribution. c. class midpoint. d. class frequency. ______ 3. The class midpoint is a. equal to the number of observations. b. found by adding the lower class limits of two consecutive classes and dividing by 2. c. equal to the class interval. d. all of the above. ______ 4. The number of observations in a particular class is called the a. class interval. b. class frequency. c. frequency distribution. d. none of the above. ______ 5. A bar chart is used most often when a. you want to show frequencies as compared to total observations. b. you want to show…
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Depths (in kilometers) of 7 earthquakes in Calixio, California and Guadalupe Victoria are given below: 11, 17, 10, 16, 10, 13, 11. a) Find the mean depth of earthquakes and report it with correct symbol. b) Find the median depth of earthquakes. c) What is the shape of the distribution of earthquakes? Give a reason for your answer. Edit View Insert Format Tools Table 12pt v Paragraph v | B IU A v DELL F10 F11 F4 F5 F6 F7 F8 F9