### Educational Assessment: Continuous Quantitative Variables**Question:**Which of the following two variables are both quantitative and continuous?1. The amount of water in a lake.2. The type of surgery performed in a hospital.3. The time it takes to study for an exam.4. The number of books in a library.**Options:**- [ ] 2 and 4- [ ] 1 and 2- [x] 3 and 4- [ ] 1 and 3**Explanation:**In the context of quantitative vs. qualitative and continuous vs. discrete variables:- **Quantitative Variables** are those that can be measured numerically.- **Continuous Variables** are quantitative variables that can take on any value within a given range.### Possible Answers:1. **The amount of water in a lake**: This is a quantitative and continuous variable because it can be measured in different units (liters, gallons) and can take any value within a range.2. **The type of surgery performed in a hospital**: This is a qualitative variable because it categorizes types of surgeries without numerical measurement.3. **The time it takes to study for an exam**: This is a quantitative and continuous variable because it can be measured in hours, minutes, seconds, etc., and can take any value within a range.4. **The number of books in a library**: This is a quantitative variable, but it is discrete because the number of books is countable and not continuous.Based on the above explanations, the answer "3 and 4" was selected in the provided image. However, the correct answer should be "1 and 3" as both are quantitative and continuous variables.

The objective is to identify the two statements that are both quantitative and continuous.

Answered: Which of the following two variables…

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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Which of the following two variables are both quantitative and continuous? 1. The amount of water in a lake. 2. The type of surgery performed in a hospital. 3. The time it takes to study for an exam. 4. The number of books in a library.