[STATISTICS - Mean Square] How do you solve this? The second picture includes the data Form1 Form22388591146881122417410890927052875410350135761431241519676128601271091551201241035490124806912376719416769105987379611215612288109905610564127104Form3116123641369915617593778891118861641017412413769136127135971038612198599161Form410312210573878112016913056101143106129104169697655138122139138132996489128127161 The friendly folks a the Internal Revenue Service (IRS) in the United States and Canada Revenue Agency (CRA)are always looking for ways to improve the wording and format of its tax return forms. Three new forms havebeen developed recently. To determine which, if any, are superior to the current form, 120 individuals wereasked to participate in an experiment. Each of the three new forms and the currently used form were filled outby 30 different people. The amount of time (in minutes) taken by each person to complete the task wasrecorded.Compute the mean square between treatments (MSTr which is similar to MSR). Round your final answer to 4decimal places.

Let f1,f2,f3, and f4 denote the data corresponding to Form 1, Form 2, Form 3, and Form 4…

Answered: The friendly folks a the Internal…

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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[STATISTICS - Mean Square] How do you solve this? The second picture includes the data

Form1 Form2
23
88
59
114
68
81
122
41
74
108
90
92
70
52
87
54
103
50
135
76
143
124
151
96
76
128
60
127
109
155
120
124
103
54
90
124
80
69
123
76
71
94
167
69
105
98
73
79
61
121
56
122
88
109
90
56
105
64
127
104
Form3
116
123
64
136
99
156
175
93
77
88
91
118
86
164
101
74
124
137
69
136
127
135
97
103
86
121
98
59
91
61
Form4
103
122
105
73
87
81
120
169
130
56
101
143
106
129
104
169
69
76
55
138
122
139
138
132
99
64
89
128
127
161

The friendly folks a the Internal Revenue Service (IRS) in the United States and Canada Revenue Agency (CRA)
are always looking for ways to improve the wording and format of its tax return forms. Three new forms have
been developed recently. To determine which, if any, are superior to the current form, 120 individuals were
asked to participate in an experiment. Each of the three new forms and the currently used form were filled out
by 30 different people. The amount of time (in minutes) taken by each person to complete the task was
recorded.
Compute the mean square between treatments (MSTr which is similar to MSR). Round your final answer to 4
decimal places.

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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