Which of the following is (are) TRUE about the arcsine transformation? It is used for percentage data that are based on counts.It is recommended for percentage data ranging from 30% to 70% . A. I onlyB. II onlyC. Both I and IID. Neither I nor II Which of the following is (are) TRUE about the arcsine transformation? Proportions or percentage should be based on equal number of trials.Adjustments must be made for 0% and 100% which depend on the number of trials A. I onlyB. II onlyC. Both I and IID. Neither I nor II 33. Which of the following is (are) TRUE about the square root transformation?It is used for percentage data that range from 0 to 30 or 70 to 100%It is recommended for small whole numbers like counts of rare events A. I only B. II only C. Both I and II D. Neither I nor IIWhich of the following is (are) TRUE when variances are heterogeneous across treatments?Transformation works when there is a mean-variance relationship.Error partitioning may used when no mean-variance relationship is detecteD A. I only B. II only C. Both I and II D. Neither I nor II Which of the following is (are) TRUE in presenting results of analysis using transformation?The means may be presented in the original scale.The back-transformed means may be presented A. I only B. II only C. Both I and II D. Neither I nor II

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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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Which of the following is (are) TRUE about the arcsine transformation?

It is used for percentage data that are based on counts.
It is recommended for percentage data ranging from 30% to 70% . A. I onlyB. II onlyC. Both I and IID. Neither I nor II

Which of the following is (are) TRUE about the arcsine transformation?

Proportions or percentage should be based on equal number of trials.
Adjustments must be made for 0% and 100% which depend on the number of trials A. I onlyB. II onlyC. Both I and IID. Neither I nor II

33. Which of the following is (are) TRUE about the square root transformation?

It is used for percentage data that range from 0 to 30 or 70 to 100%
It is recommended for small whole numbers like counts of rare events A. I only B. II only C. Both I and II D. Neither I nor II

Which of the following is (are) TRUE when variances are heterogeneous across treatments?

Transformation works when there is a mean-variance relationship.
Error partitioning may used when no mean-variance relationship is detecteD A. I only B. II only C. Both I and II D. Neither I nor II

Which of the following is (are) TRUE in presenting results of analysis using transformation?

The means may be presented in the original scale.
The back-transformed means may be presented A. I only B. II only C. Both I and II D. Neither I nor II

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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