Answered: Table 2 gives the output for 8 cropping…

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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Question

Table 2 gives the output for 8 cropping seasons of Sweet Spring Country Farm that used each of 4 fertilizers. Assume that the outputs with each fertilizer are normally distributed with equal variance.

(d) Test the hypothesis that the population means are the same at the 5% level of significance.

Fertilizer 1
Fertilizer 2
Fertilizer 3
Fertilizer 4
51
47
57
50
47
50
48
61
56
58
52
57
52
61
60
65
57
51
61
58
59
48
57
53
58
59
51
61
60
50
46
59
440
424
432
464

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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