The average spent nationally on Christmas gifts in 2020 was reported to be $650 per person. Below is a random sample of gift givers from Iowa and what they spent in 2020.
The average spent nationally on Christmas gifts in 2020 was reported to be $650 per person. Below is a random sample of gift givers from Iowa and what they spent in 2020.
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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- The average spent nationally on Christmas gifts in 2020 was reported to be $650 per person. Below is a random sample of gift givers from Iowa and what they spent in 2020.
- Is there sufficient evidence to conclude that Iowans spend less than the national average?
- Estimate the average amount spent by Iowans on Christmas gifts in 2020 with a 90%-CI.
700 |
450 |
400 |
525 |
550 |
550 |
600 |
575 |
650 |
625 |
500 |
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