Problem 20. Calculate the arithmetic mean from the followingdata :Тетр. "С"No. of days-40 to -30-30 to-20-20 to -10--10 to1028304265180100 to10 to102020 to30

Answered: Image /qna-images/answer/5285530d-0826-421e-9b09-849615b5ca69.jpg

Answered: Problem 20. Calculate the arithmetic…

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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What are the demerits of arithmetic mean?
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Suppose the gasoline taxes (in cents per gallon) are given for the following 5 states: 46, 34.6, 27.7, 9.4, 47.8 Find the mean of these gasoline taxes. Round your final answer to 2 decimal places.
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12. The quadratic mean (or root mean square, RMS) is usually used in physical applications. In power distribution systems, for example, voltages and currents are usually referred to in terms of their root mean square value. The quadratic mean of a set of values is obtained by squaring each value, adding the results, dividing by the number of values (n), and then taking the square root of that result, expressed as n RMS = quadratic mean = Find the root mean square of these power supplies (in volts): 82, 110, 99, 35
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.
are there two different ways to find the mean? are there two different formulas to find mean? i have an assignmnet that has a formula for mean as Xbar, another one as efx/ef, and another one as xbar=sigma X/n. what are the difference? how do you know which formula to use when you see a question?

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Problem 20. Calculate the arithmetic mean from the following data : Тетр. "С" No. of days -40 to-30 -30 to-20 -20 to-10 --10 to 10 28 30 42 65 180 10 0 to 10 to 10 20 20 to 30