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# Answer: indicate whether the observational study used is

## Problem 29BB Chapter 1.4

Elementary Statistics | 12th Edition

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Problem 29BB

indicate whether the observational study used is cross-sectional, retrospective, or prospective.

Smoking Study Researchers from the National Institutes of Health want to determine the current rates of smoking among adult males and adult females. They conduct a survey of 500 adults of each gender.

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Problem 29BB

Step1 of 3:

We have Researchers from the National Institutes of Health want to determine the current rates of smoking among adult males and adult females. They conduct a survey of 500 adults of each gender.

Step2 of 3:

We need to indicate whether the observational study used is cross-sectional, retrospective, or prospective.

Step3 of 3:

Let us understand what is cross sectional, retrospective and prospective

Consider,

1).Cross sectional: A cross-sectional study (also known as a cross-sectional analysis, transversal study, prevalence study) is a type of observational study that analyzes...

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Step 3 of 3

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Answer: indicate whether the observational study used is

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Get Full Access to Elementary Statistics - 12 Edition - Chapter 1.4 - Problem 29bb

Get Full Access to Elementary Statistics - 12 Edition - Chapter 1.4 - Problem 29bb