Answered: Q1. The following data are from a…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 10E

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Q1. The following data are from a completely randomized design.

	Treatment
	A	B	C
	155	148	128
	147	152	126
	165	124	138
	145	140	140
	150	152	140
Sample mean	152.4	143.2	134.4
Sample variance	63.8	139.2	46.8

(A). What is the F test statistics value?

(B). Compute the mean squares due to error.

(C). At the α = 0.01, test whether the means for the three treatments are equal.

Using F table, what is the most possible range of values of the p-value?

[Multiple choice with single answer]

(a) 0.025<p-value<0.1

(b) 0.01<p-value<0.05

(d) 0.025<p-value<0.05

(e) 0.05<p-value<0.1

(f) None of the above

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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