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Two-Tailed Test: Formula & Examples

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

A ________ is a statistical analysis designed to evaluate the probability of finding a particular value of a random variable as compared to the mean of all possible values.

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1. There are a few assumptions that must be met to run tests of significance that use z scores. Which of the following is NOT one of the assumptions that must be met?

2. Which of the following is an appropriate null hypothesis?

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About This Quiz & Worksheet

Focus in on what you know about the two-tailed test with this quiz and worksheet. Different concepts associated with this subject will also be reviewed throughout the multiple-choice questions.

Quiz & Worksheet Goals

Prove beyond a doubt that you understand this subject by answering questions that deal with:

  • Kinds of statistical analysis
  • Null hypotheses
  • Analysis that uses z-scores

Skills Practiced

The opportunity to practice the following skills awaits you within this quiz:

  • Distinguishing differences - compare and contrast tests from the lesson, such as one-tailed and two-tailed
  • Interpreting information - verify that you can read information regarding when to reject a null hypothesis and interpret it correctly
  • Information recall - access the knowledge you've gained regarding hypotheses that work with two-tailed tests

Additional Learning

Students interested in pursuing more education about this topic can study the lesson associated with this quiz, titled Two-Tailed Test: Formula & Examples. This lesson contains information on:

  • Three conditions to consider with statistical analysis
  • The standard normal density curve
  • A formula related to two-tailed tests
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