The planning director of Wellington, NZ, wants to determine whether the mean ageof residents in his city is similar to 29.6 years (the national average age). A randomsample of 80 residents is surveyed, with a desired confidence level of 99%. TheResearch Hypothess is:Mean Age (Wellington)< Mean Age (National)O Mean Age (Wellington)= Mean Age (National)Mean Age (Wellington)s Mean Age (National)Mean Age (Wellington)> Mean Age (National)Mean Age (Wellington)# Mean Age (National)Mean Age (Wellington)2 Mean Age (National)

Given that Mean =29.6 Sample size n =80 99% confidence level.

e planning director of Wellington, NZ, wants to determine whether the mean age residents in his city is similar to 29.6 years (the national average age). A random mple of 80 residents is surveyed, with a desired confidence level of 99%. The search Hypothess is: ) Mean Age (Wellington)< Mean Age (National) ) Mean Age (Wellington)= Mean Age (National) ) Mean Age (Wellington)s Mean Age (National) ) Mean Age (Wellington)> Mean Age (National) ) Mean Age (Wellington)# Mean Age (National) ) Mean Age (Wellington)2 Mean Age (National)

e planning director of Wellington, NZ, wants to determine whether the mean age residents in his city is similar to 29.6 years (the national average age). A random mple of 80 residents is surveyed, with a desired confidence level of 99%. The search Hypothess is: ) Mean Age (Wellington)< Mean Age (National) ) Mean Age (Wellington)= Mean Age (National) ) Mean Age (Wellington)s Mean Age (National) ) Mean Age (Wellington)> Mean Age (National) ) Mean Age (Wellington)# Mean Age (National) ) Mean Age (Wellington)2 Mean Age (National)

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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