Mean in Case of Unequal Class IntervalFrom the following data calculate arithmetic mean-Wages (in)()-1010-3030-6060-100100-150150-210No. of Workers46.8.1048.

Given that We have given the data in the below table We have to calculate Arithmetic mean Formula…

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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A 7. The analyst in the Dorben Company made 10 independent time studies in the hand paint- spraying section of the finishing department. The product line under study revealed a direct relation between spraying time and product surface area. The following data were collected. Study No. 1 2 3 4 5 6 8 9 10 Surface Area 170 12 150 41 130 50 70 105 95 (sq. inches) Standard Time (hours) 0.32 0.11 0.31 0.14 0.27 0.18 7 120 0.24 0.23 0.25 (7a) Compute the slope and intercept constant using regression line equations. (7b) What is the correlation coefficient? (7c) How much spray time would you allow for a new part with a surface area of 250 sq. inches? 0.22
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.
The numbers of students in the 10 schools in a district are given below. (Note that these are already ordered from least to greatest.) 204, 250, 255, 262, 274, 311, 369, 381, 389, 415 Send data to calculator Suppose that the number 204 from this list changes to 304. Answer the following. (a) What happens to the mean? It decreases by U O It increases by O It stays the same. (b) What happens to the median? O It decreases by O It increases by O It stays the same.
(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
5. State the Mean Value Theorem. Sketch a geometric interpretation of this theorem. Explain how your sketch is a geometric interpretation of the Mean Value Theorem, in your own words, using complete sentences.
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
The table below shows the data on Covid 19 cases recorded in country B. Age 50 - 55 45 - 50 40 - 45 35 - 40 30 - 35 25 – 30 20 – 25 Cases 25 30 40 45 170 110 80 Find the values of the following The mean The median
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)

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From the following data calculate arithmetic mean- Wages (i) ()-10 10-30 30-60 60-100 100-150 150-210 No. of Workers 4 8 10 4.