Science major in college pay an average of $130, whereas English majors pay an average of $465 per year for books with an standard deviation of $90. What is the mean difference and standard deviation between the amounts paid for books by science and English majors? Science majors in college pay anaveraga of $650 per yeafor books with a standard deviation S130, whereasEnglish majors pay an average oswith a standard deviation of $90difference and standard deviationetween the amountspaid for books by science and English majors?per year for bookis the meanA. H7. Paifference = $92,50differehce%2415difference(Go ta Question #7)BPairterence= $185dmerence$220%3 %$4220(Go ta Question #6)C.Haitference= $185%3D%24158(Go to Question #4)aifferenceD. Paifference%3D%$4557.50(Go to Question #3)difference $220

Given problem Given that Science major in college pay an average of $650 per year for books with…

Answered: Science majors in college pay anaveraga…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 26PFA

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Science major in college pay an average of $130, whereas English majors pay an average of $465 per year for books with an standard deviation of $90. What is the mean difference and standard deviation between the amounts paid for books by science and English majors?

Science majors in college pay anaveraga of $650 per yea
for books with a standard deviation S130, whereas
English majors pay an average os
with a standard deviation of $90
difference and standard deviationetween the amounts
paid for books by science and English majors?
per year for book
is the mean
A. H
7. Paifference = $92,50
differehce
%2415
difference
(Go ta Question #7)
BPairterence= $185
dmerence$220
%3 %$4220
(Go ta Question #6)
C.Haitference
= $185
%3D%24158
(Go to Question #4)
aifference
D. Paifference
%3D%$4557.50
(Go to Question #3)
difference $220

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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