Purchase Solution

Chi square

Not what you're looking for?

Ask Custom Question

What happens to the shape of the Chi Square distribution curve as the sample size gets larger? What about when the number of cells or groups gets larger?

Purchase this Solution
Solution Preview

Chi square is a non-parametric test of statistical significance for bivariate tabular analysis (also known as cross breaks). Typically, the hypothesis tested with chi square is whether or not two different ...

Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Chi-square statistics and non-parametric tests

    254323 Chi-square statistics and non-parametric tests Why do you use the chi-square statistics? What type of data is used with chi-square analysis what are the non-parametric tests that can be associated with chi-squares?

  • Why would you use the chi-square statistic?

    374801 Explain a chi-square test. Why would you use the chi-square statistic? Type of data? Provide an explanation of a chi-square test. Why would you use the chi-square statistic? What type of data is used with chi square analysis?

  • Chi-Square and Hypothesis Testing

    257698 Chi-Square and Hypothesis Testing A) When will you use a Goodness-of-fit Chi-Square distribution? b) What are the characteristics of chi-square distribution?

  • Multiple choice questions from Chi-Square test

    198114 Chi square, independence and other concepts 1. In a chi-square test, the sample data are called observed frequencies. True False 2.

  • Statistics - Hypothesis Testing - Chi-square

    224053 Chi-Square Recognize a contingency table (cross-tabulation of frequencies). Find degrees of freedom and use the chi-square table of critical values. Perform a chi-square test for independence on a contingency table.

  • Description of Chi-square statistic

    Chi square statistics is used in two ways 1. The Chi-square test for goodness of fit 2. The Chi-square test for independence 1.

  • Statistics - Chi-square distribution

    (a) P(Chi-square lesser than or equal to 8) = 0.2867 (b) P(Chi-square greater than k) = 0.025 for k = 21.92 (c) Median of the chi-square distribution with k degrees of freedom = k - (2/3) + 4/(27k) - 8/(729 k^2) For k = 11, the median is 11 -

  • "Goodness-of-fit test" vs "Chi-square test for independence"

    In fact, chi-squared test can be used as a goodness-of-fit test, as well as a test for independence. In other words, chi-square tests are used for: Chi-square test for independence" and "Chi-square goodness-of-fit test".

  • Population Variance Problem and Confidence Interval

    0.99 = 0.01 Find α/2 as follows: α/2 = 0.01/2 =0.005 (This is Chi-Square Right) Find Chi-square Left: 1- 0.005 = 0.995 Find Chi-square Right: 0.005 Find d.f.: n-1 =10 -1 = 9 From tables: Chi-Square Right = 23.589 Chi-Square

  • Chi-square distribution: Probabilities and percentiles

    14901 How to find probabilities and percentiles of a chi-square distribution using EXCEL functions. Use a calculator to solve the following problems: Suppose that X follows a chi-square distribution with 28 degrees of freedom.

View More Related Solutions