Q. 2 - The Practice of Statistics for AP

Question

Jake is a car buff who wants to find out more about the vehicles that students at his school drive. He gets permission to go to the student parking lot and record some data. Later, he does some research about each model of car on the Internet. Finally, Jake makes a spread-sheet that includes each car’s model, year, color, number of cylinders, gas mileage, weight, and whether it has a navigation system. 

What variables did Jake measure? Identify each as categorical or quantitative.

Step-by-Step Solution

Answer

in Jake's study he has 3 categories and 3 quotative measures

Step 1: Given Description

According to the scenario Jake is a car buff who wants to find out more about the vehicles that students at his school drive. He gets permission to go to the student parking lot and record some data.

Step 2: Explanation of Solution

According to Jake's study 

Variables are;

Category Wise;

1. Car model

2. Colour

3. Navigation system.

In quantitative

1. Year

2. Cylinders

3. Mileage

Here in the Jake's study

car model (categorical), year (Quantitative), colour (categorical), no of cylinders (Quantitative), Gas mileage (Quantitative), navigation system (categorical).