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Name: It is suggested that the mean one-day travel expense by tourists in Mo
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Description: It is suggested that the mean one-day travel expense by tourists in Moscow is $500 (assume all one-day travel expenses in Moscow are approximately normally distributed). In a random sample of 16 Moscow tourists, the sample mean one-day travel expens

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 1BGP

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It is suggested that the mean one-day travel expense by tourists in Moscow is $500 (assume all one-day travel expenses in Moscow are approximately normally distributed). In a random sample of 16 Moscow tourists, the sample mean one-day travel expense was $482 with a sample standard deviation s = 22.5. Our goal is to test whether or not the mean one-day travel expense is $500 or not.

1) What is the null hypotheses? H0:

2) What is the alternative hypotheses? Ha:

travel exnense was $482 with a samnle.
[ Select ]
p = 482
H = 500
p = 500
%3D
H = 482
What is the null
hypotheses? H0:

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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