Identify the (a)population and (b) sample in the study. A quality-control manager randomly selects 70 bottles of ketchup that were filled on July 17 to assess the calibration of the filling machine. Researchers want to determine whether or not higher folate intake is associated with a lower risk of hypertension (high blood pressure) in women (27 to 44 years of age). To make this determination, they look at 7373 cases of hypertension in these women and find that those who consume at least 1000 micrograms per day (µg/d) of total folate had a decreased risk of hypertension compared with those who consume less than 200 µg/d.
Identify the (a)population and (b) sample in the study. A quality-control manager randomly selects 70 bottles of ketchup that were filled on July 17 to assess the calibration of the filling machine. Researchers want to determine whether or not higher folate intake is associated with a lower risk of hypertension (high blood pressure) in women (27 to 44 years of age). To make this determination, they look at 7373 cases of hypertension in these women and find that those who consume at least 1000 micrograms per day (µg/d) of total folate had a decreased risk of hypertension compared with those who consume less than 200 µg/d.
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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Identify the (a)population and (b) sample in the study.
- A quality-control manager randomly selects 70 bottles of ketchup that were filled on July 17 to assess the calibration of the filling machine.
- Researchers want to determine whether or not higher folate intake is associated with a lower risk of hypertension (high blood pressure) in women (27 to 44 years of age). To make this determination, they look at 7373 cases of hypertension in these women and find that those who consume at least 1000 micrograms per day (µg/d) of total folate had a decreased risk of hypertension compared with those who consume less than 200 µg/d.
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