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Use the appropriate formula to do this problem by hand. You should ONLY use Stat Key to find the theoretical distribution value for z or t (depending on the situation you either use Z or T so figure out which is correct).  Round final endpoints to the nearest whole dollar.   In a sample of 63 people in a city who lost their job as a result of the COVID 19 pandemic the mean checking/savings account balances when their jobs were lost was $4,389 with a standard deviation of $3,970.  Construct and INTERPRET the 90% confidence interval estimate for the population mean checking/savings account balance for residents in this city who lost their job due to COVID 19.

Use the appropriate formula to do this problem by hand. You should ONLY use Stat Key to find the theoretical distribution value for z or t (depending on the situation you either use Z or T so figure out which is correct).  Round final endpoints to the nearest whole dollar.   In a sample of 63 people in a city who lost their job as a result of the COVID 19 pandemic the mean checking/savings account balances when their jobs were lost was $4,389 with a standard deviation of $3,970.  Construct and INTERPRET the 90% confidence interval estimate for the population mean checking/savings account balance for residents in this city who lost their job due to COVID 19.

MATLAB: An Introduction with Applications
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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  1. Use the appropriate formula to do this problem by hand. You should ONLY use Stat Key to find the theoretical distribution value for z or t (depending on the situation you either use Z or T so figure out which is correct).  Round final endpoints to the nearest whole dollar.

 

In a sample of 63 people in a city who lost their job as a result of the COVID 19 pandemic the mean checking/savings account balances when their jobs were lost was $4,389 with a standard deviation of $3,970.  Construct and INTERPRET the 90% confidence interval estimate for the population mean checking/savings account balance for residents in this city who lost their job due to COVID 19.

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