Answered: b.the Student'st-distribution

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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The Eastern and Western Major League Soccer conferences have a new Reserve Division that allows new players to develop their skills. Data for a randomly picked date showed the following annual goals.

Western: Los Angeles 9, FC Dallas 3, Chivas USA 4, Real Salt Lake 3, Colorado 4, San Jose 4

Eastern: D.C. United 9, Chicago 8, Columbus 7, New England 6, MetroStars 5, Kansas City 3

What is the exact distribution for the hypothesis test. What is the reason for your answer?

a.the normal distribution

b.the Student'st-distribution

c.the uniform distribution

d.the exponential distribution

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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