From the following data calculate arithmetic mean-Wages (i)No. of Workers(0-1010-3030-6060-100100-150150-21048.104.

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Answered: From the following data calculate…

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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On the basis of a population survey, there were 84.4 million males and 98.2 million females 25 years old or older in a certain country. The educational attainment of the males and females is shown in the accompanying table. Complete parts (a) through (d) below.
The geometric mean of the following data is Classes:10_12 13_15 16_18 19_21 22_24 Fi:4 12 20 14 18
From the data given below construct the quantity index number for the current year using arithmetic mean under the weighted relative method. Base Year Current Year Commodity Price Quantity Price Quantity M 2 40 50 4 50 8. 40 20 9. 30 P 8. 10 6. 20 Q 10 10 5 20
From the data given below, compute price index numbers using (i) weighted arithmetic average of price relatives, (ii) weighted geometric mean of price relatives. Group Prices in 2010 () .) Prices in 2013 ) Weights Food 100 90 30 Rent 20 20 15 Clothing 70 60 20 Fuel Others 20 15 10 40 55 25
Group A5- 5 86- 1 3 77- 0 1 1 2 5 6 7 8 8 88- 1 2 3 3 3 4 4 5 6 89- 0 2 710- 0 0 Key: 5|5 represents 55 Group B5- 76- 4 87- 1 2 2 5 68- 0 2 4 5 5 5 7 79- 1 3 4 5 6 7 7 8 8 9 910- 0 0 0Key: 5|7 represents 57 1. Calculate the mean, median, range, and interquartile range for each data set. 2. Using the appropriate measures, compare the center and variability of the two groups of students. Explain your reasoning based on the shapes of the distributions.
A math professor is wondering if students today are better or worse than in the past. He has given the same final to this year's class that he gave ten years ago. Compute mean, median, and mode for both classes and write a paragraph summarizing the differences. This Year 35 45 65 75 87 80 69 71 53 90 99 95 70 82 73 93 67 61 57 74 72 77 71 81 83 Ten Years Ago 56 77 75 76 59 74 51 89 55 79 67 77 69 91 68 90 65 79 69 79 87 86 98 91 95
(6) Fill the following table that comes from the expenditure per week of you and your sibling (brother or sister) on food: Expenditure You (in Rs.) 30-60 Your sibling 60-90 90-120 120-150 150-180 180-210 210-240 Which one is more consistent in expenditure on food and which spends more on food? Also explain the descriptive statistics used in this questions. Answer: Q. No.3
Calculate the arifhmetic mean of the following data : 90-80 80-70 70–60 | 60–50 50-40 | 40-30 30-20 10 X : 110-100 100-90 20-10 10-0 4 8 16 16 24 18 14 4
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
4. The number of watermelons collected daily in an orchard for the past 50 days are as follow: Number of watermelons 120- 125- 130- 135- 140- 145- collected daily 124 144 149 Number of days 1 26 13 2 Find the mean number of watermelons collected in this orchard daily. (answer: i = 137.6)
The following table presents the intelligence quotients of runaway boys. Intelligence Quotient 30 - 39 40 - 49 Number 6 50 - 59 60 60 - 69 140 70 - 79 184 80 - 89 90 - 99 100 - 109 110 - 119 139 78 37 14 What is the 5th decile class?

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From the following data calculate arithmetic mean- Wages (i) No. of Workers ()-10 10-30 30-60 60-100 100-150 150-210 8. 10