Refer to the incomplete grouped frequency distribution below.Classes (Rand)Frequency Cumulative frequency248.00 <12.002412.00 < 16.00Y16.00 < 20.004610220.00 < 24.0018120ТOTALS120The variance is approximately

Classes Frequency (f) cumulative frequency mid-value(m) fm fm2 8-12 24 24 10 240 2400 12-16 32…

Answered: Refer to the incomplete grouped…

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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llustration 9.4. The first and third columns of Table 9.3 give the frequency distribution of the average monthly earnings of male workers. Calculate the mean earnings. TABLE 9.3. DISTRIBUTION OF MALE WORKERS BY AVERAGE MONIHLY EXPENSES (Computation of Arithmetic Mean . . . Long Method) Monthly earnings Mid-point No. of workers Rs Rs Rs m fm 3,600 5,320 6,800 9,630 20,500 23,595 34,080 42,250 27.5 - 32.5 30 120 32.5–37.5 35 152 37.5–42.5 40 170 42.5 47.5 45 214 47.5 – 52.5 50 410 52.5 57.5 55 429 57.5 62.5 60 568. 62.5-67.5 65 650 55,650 68,625 59,600 45,050 23,310 14,440 10,700 5,250 2,750 67.5 -72.5 70 795 72.5 -77.5 77.5-82.5 75 915 80 745 82.5-87.5 85 530 87.5-92.5 90 259 92.5-97.5 95 152 97.5 - 102.5 100 107 102.5--107.5 105 SO 107.5 -112.5 110 25 Σ 6,291 4, 31,1 50
Stories in the World's Tallest Buildings The number of stories in each of a sample of the world's 26 tallest buildings follows. Construct a grouped frequency distribution and a cumulative frequency distribution with 5 classes. 60 75 60 65 71 78 75 88 77 55 70 70 80 64 88 55 55 72 90 88 79 54 56 80 85 69 Send data to Excel Part: 0/5 Part 1 of 5 for equency distribution with 5 dasses? What is the class widt The class width is
4, 8, 6, 10, 8, 5,9,1,9 A. What is mean of sam's scores B What is the median of sam's Scores e what is the mode of sam's Scores P what is the range of sam's scores E What is The Sample Standard ard deviation Scores's of Sam's F which measure (s) of central tendency isare) affected by the outlier in the data mean, median mode а B mean, median c mean D median
K Light bulb lifetime. Find the mean and median for the data in the following table. Interval Frequency 799.5-899.5 2 Life (Hours) of 50 Randomly Selected Light Bulbs 899.5-999.5 999.5-1,099.5 8 20 The mean is 1,099.5-1,199.5 1,199.5-1,299.5 10 10
a) Represent data by using Cumulative Frequency Polygon. b) Find Population Standard Deviation.
1/ 8 102% 1. Organizing and Graphing Data The pulse rates (beats per minute) of males obtained from a simple random sample of 40 males are listed below. 56 62 64 60 66 64 68 58 68 74 90 80 60 74 56 60 66 70 50 89 86 66 80 52 64 68 78 72 70 84 54 68 62 60 46 70 68 74 58 76 Include appropriate titles and labels as you complete the following: Construct a grouped frequency distribution for the data using six classes. Construct a cumulative frequency distribution for the data.
4. The frequency distribution below gives the cost of production of sugarcane in holdings. Obtain the arithmetic mean. Cost of Production No. of Holdings Cost of Production No. of Holdings 2 - 6 1 18 – 22 52 6 - 10 9. 22 – 26 36 10 – 14 21 26 – 30 19 14 – 18 47 30 - 34 3
6
Construct a grouped frequency distribution for the following data that represents the temperature for 30 days in a certain construction site. Draw the Ogive cure for the data. Also, find the Mean for the data using the constructed grouped frequency distribution table. 33 33 21 24 9 8 18 17 30 32 17 13 35 28 12 16 27 30 13 20 30 32 13 25 21 35 10 15 8

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Refer to the incomplete grouped frequency distribution below. Classes (Rand) Frequency | Cumulative frequency 24 8.00 < 12.00 24 12.00 < 16.00 16.00 < 20.00 | 46 X Y 102 20.00 < 24.00 18 120 ТОTALS 120 The variance is approximately