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In this section you'll find study materials for statistics help. Use the links below to find the area of statistics you're looking for help with. Each study guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn statistics.

Study Guides

showing 101 - 110 of 216
  • 101.

    Frequency Distributions Help

    Frequency Distributions Imagine that a large class of students is given a quiz. We examine the results in the form of tables and graphs. Practice 1 In our hypothetical class, 130 students take a 10-question quiz. The ...

    Source: McGraw-Hill Professional
  • 102.

    Variance and Standard Deviation Help

    Variance and Standard Deviation Let's further analyze the results of the hypothetical 10-question quiz given to the class of 130 students. Again, in verbal form, here are the results: 0 correct answers: 0 students 1 ...

    Source: McGraw-Hill Professional
  • 103.

    Probability Help

    Probability The following problems deal with situations and games involving chance. Probability lends itself to "thought experiments" that don't require any material investment except a few sheets of paper, a pen, and a calculator.

    Source: McGraw-Hill Professional
  • 104.

    Data Intervals Help

    Data Intervals The following problems involve data intervals including quartiles, deciles, percentiles, and straight fractional portions. Let's consider an example involving climate change. (The following scenario is fictitious, and is for illustrative purposes ...

    Source: McGraw-Hill Professional
  • 105.

    Sampling and Estimation Help

    Sampling and Estimation Here are some problems involving data sampling and estimation. Recall the steps that must be followed when conducting a statistical experiment: ... Formulate the question(s) we want to answer.

    Source: McGraw-Hill Professional
  • 106.

    Hypotheses, Prediction, and Regression Help

    Hypotheses, Prediction, and Regression The following several problems involve a hypothetical experiment in which the incidence of a mystery illness, Syndrome X, is scrutinized. Twenty groups of 100 people are selected according to various criteria. Then ...

    Source: McGraw-Hill Professional
  • 107.

    Correlation and Causation Help

    Correlation and Causation Correlation between two variables does not imply a direct cause-and-effect relation. Here are some problems involving correlation and causation. Two Modern Plagues During the last few decades ...

    Source: McGraw-Hill Professional
  • 108.

    Some Practical Problems Practice Test

    For a thorough, step-by-step explanation of similar problems, refer to: Frequency Distributions Help

    Source: McGraw-Hill Professional
  • 109.

    Introduction for Beginning Statistics

    Practice problems for these concepts can be found at: Introduction Solved Problems for Beginning Statistics

    Source: McGraw-Hill Professional
  • 110.

    Quantitative Variable and Qualitative Variable for Beginning Statisics

    Practice problems for these concepts can be found at: Introduction Solved Problems for Beginning Statistics

    Source: McGraw-Hill Professional

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