Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size. SourceSSdfMSFTreatment 3.9302Error 9.03 Total 26 Group ABC sample mean278.3275.4274.5 Find the value of LSD for comparing Groups A and B. QUESTION 11Is the difference between groups A and B significant? yes no maybe? Antidisestablishmentarianism QUESTION 12What's the value of SSTR?QUESTION 13What's the value of SSE?

Given: Source SS df MS F Treatment 3.9302 Error 9.03 Total…

Answered: Using the partially completed analysis…

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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QUESTION 11

Is the difference between groups A and B significant?

yes

no

maybe?

Antidisestablishmentarianism

QUESTION 12

What's the value of SSTR?

QUESTION 13

What's the value of SSE?

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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