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📚 Python for Introductory Statistics: Lab Workbook
Chapters ▾
1. Introduction to Python2. Python List3. Python Syntax4. Python Loops5. Frequency Distributions and Graphs6. Measure of Center and Variation7. Measures of Position8 Discrete Probability Distributions9. Continuous Probability DistributionConfidence Intervals11. Hypothesis Testing12. Linear Regression and Correlation13. Analysis of Categorical Data14. Advanced Statistics TopicsLab AnswersReferencesAppendix 1Appendix 2: Random Integer GeneratorAppendix 3: FactorialsResources

1.3 Python Variables

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Lab 1.3.1

Given the ordered pairs (6,9) and (5,1), write a Python code to find the slope and midpoint.

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Lab 1.3.2

To solve a quadratic equation of the form ax2+bx+c=0, we can use the formula below:

x=−b−b2−4ac2a or x=−b+b2−4ac2a

Write a Python code to solve 2x2−3x−4 using the quadratic formula.

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Lab 1.3.3

Evaluate 1+218 and round the result to one decimal place.

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Adapted from Python for Introductory Statistics: Student's Lab Workbook, by Simon Aman (Truman College, City Colleges of Chicago), licensed under CC BY 4.0. Changes were made: reformatted as an accessible XYZ web edition with live in-browser code cells. License: CC-BY-4.0.