3) At the last census, 20% of the people in a town were less than 16 years old, 20% were 16-30, 25% were 31-45, 15% were 46-60, and 20% were over 60. To test to see if the age structure of the town has changed a random sample of 200 residents of the town yields the following results: Age: Observed Frequency 30 < 16 16-30 31-45 46-60 50 >60 31 37 52 Test to see if the age structure has changed (using the 5% level of significance).

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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At the last census, 20% of people in a town were less than 16 years old, 20% were 16 to 30, 25% or 31 to 45, 15% were 46 to 60, and 20% were over 60. To test to see if the age structure of the town has changed a random sample of 200 residents of the town yields the following result: a) test to see if the age structure has changed (using the 5% level of significance)
3) At the last census, 20% of the people in a town were less than 16 years old, 20% were
16-30, 25% were 31-45, 15% were 46-60, and 20% were over 60. To test to see if the
age structure of the town has changed a random sample of 200 residents of the town
yields the following results:
Age:
Observed Frequency 30
< 16
46-60
16-30
31
31-45
>60
52
37
50
Test to see if the age structure has changed (using the 5% level of significance).
Transcribed Image Text:3) At the last census, 20% of the people in a town were less than 16 years old, 20% were 16-30, 25% were 31-45, 15% were 46-60, and 20% were over 60. To test to see if the age structure of the town has changed a random sample of 200 residents of the town yields the following results: Age: Observed Frequency 30 < 16 46-60 16-30 31 31-45 >60 52 37 50 Test to see if the age structure has changed (using the 5% level of significance).
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