Answered: A large sports team claims that, on…

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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A large sports team claims that, on average, 13000 fans attend a game at their stadium. A company that just invested in the stadium wants to perform a test to determine whether or not more fans attend. They take a random sample of 19 past games and find a mean attendance of 14900 fans. They know the standard deviation for every game is 3100 fans. Perform the test at a 4% level of significance. Assume the population for game attendance is normally distributed.

1. Identify the appropriate significance level. Make sure to enter your answer as a decimal.

2. Find the test statistic. Write the result below, and be sure to round your final answer to two 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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