On average do the number of people visiting Universal Studios and Disney World differ? It is known that Universal Studios and Disney World are related and likely have population standard deviations equal to each other. Universal Studios (Group 1): Average number of people per day = 535.59 sample Standard deviation = 36 sample size of Group 1 = 25 Disney World (Group 2): Average number of people per day = 520.26 Sample Standard deviation = 25 sample size of Group 2 = 57 Calculate the upper bound for a 95%CI (round to 4 decimal places)

On average do the number of people visiting Universal Studios and Disney World differ? It is known that Universal Studios and Disney World are related and likely have population standard deviations equal to each other. Universal Studios (Group 1): Average number of people per day = 535.59 sample Standard deviation = 36 sample size of Group 1 = 25 Disney World (Group 2): Average number of people per day = 520.26 Sample Standard deviation = 25 sample size of Group 2 = 57 Calculate the upper bound for a 95%CI (round to 4 decimal places)

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 7PPS

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Question

On average do the number of people visiting Universal Studios and Disney World differ?

It is known that Universal Studios and Disney World are related and likely have population standard deviations equal to each other.

Universal Studios (Group 1):

Average number of people per day = 535.59

sample Standard deviation = 36

sample size of Group 1 = 25

Disney World (Group 2):

Average number of people per day = 520.26

Sample Standard deviation = 25

sample size of Group 2 = 57

Calculate the upper bound for a 95%CI (round to 4 decimal places)

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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