Unit 3 - QUIZ

About This Quiz

This quiz covers the concepts from the Unit 3 readings, videos, and lessons. As a "concepts" quiz, it focuses on definitions and ideas behind the weekly topics and does not involve calculations or interpretations (we handle those elements in the practice problems and survey analysis project assignments).

• Course content tested: Unit 3
• Quiz format: True-False
• Time limit: 20 minutes
• Number of attempts: 1

Objectives

This assignment will guide your learning process to ensure you can:

• Explain the relationship between inferential and descriptive statistics, including how sampling theory underpins inferential methods.
• Compare and contrast different sampling methods, including random, stratified, and systematic sampling, and determine appropriate contexts for their use.
• Describe and apply the concept of sampling distributions, with a focus on the distribution of sample means and the implications of the Central Limit Theorem.
• Conduct hypothesis tests by setting null and alternative hypotheses, interpreting p-values, and applying decision criteria to real-world data.
• Perform chi-square goodness of fit tests to evaluate hypotheses related to categorical data.
• Test hypotheses about a single mean using both one-tailed and two-tailed tests, and interpret the results in context.

Guidelines

This quiz has 25 questions. You may use your books and notes, but you will be operating under a time constraint. Study and prepare ahead of time to best approach the quiz.

Only click the "Take the quiz" button when you are ready to take this quiz. If you close the window, you may reenter the quiz by clicking the "Resume Quiz" button. Note that the timer will continue to count down to zero and that your quiz will automatically be submitted when time expires.

Academic Integrity

• Getting help on the quiz from your peers is not permitted.
• Collaborating, or completing the quiz with others in the class, is not permitted.
• Copying or reusing previous work is not permitted.
• Open-book research for the quiz is permitted and encouraged.