Practice - Quantitative Data Analysis
Practice Questions
Test your understanding with targeted questions
What is the mean of these numbers: 2, 4, 6, 8?
💡 Hint: Add the numbers together and divide by how many there are.
What does the median represent in a dataset?
💡 Hint: Think about how you would arrange the numbers first.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of descriptive statistics?
💡 Hint: Think about how you would present data effectively.
True or False: The mode is the average of a set of numbers.
💡 Hint: Recall the definitions of mean and mode.
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Challenge Problems
Push your limits with advanced challenges
Given a dataset of exam scores: 75, 90, 82, 60, 85, calculate the standard deviation. Discuss the importance of this value.
💡 Hint: First, find the mean, then calculate the squared differences from the mean.
Create a simple regression equation using the following data: Advertising Spend ($): [1000, 2000, 3000] and Sales ($): [15000, 25000, 35000]. Interpret the results.
💡 Hint: Use simple linear regression formulas to derive the equation.
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Reference links
Supplementary resources to enhance your learning experience.