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Name: At a recent PGA tournament (the Honda Classic at Palm Beach Gardens, F
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Description: At a recent PGA tournament (the Honda Classic at Palm Beach Gardens, Florida) the following scores were posted for eleven randomly selected golfers for two consecutive days. At =α0.20, is there evidence of a difference in mean scores for the two days

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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At a recent PGA tournament (the Honda Classic at Palm Beach Gardens, Florida) the following scores were posted for eleven randomly selected golfers for two consecutive days. At =α0.20, is there evidence of a difference in mean scores for the two days? Assume the variables are normally or approximately normally distributed and use μDfor the mean on Thursday minus the mean on Friday.

Golfer	1	2	3	4	5	6	7	8	9	10	11
Thursday	69	70	68	70	68	68	65	67	65	64	66
Friday	75	67	74	70	67	68	70	69	71	72	69

Compute the test value. Round the answer to at least three decimal places.

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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