Purchase Solution

Test of Hypothesis using chi-squared test of independence

Not what you're looking for?

Ask Custom Question

A random sample of 100 adults as recently gathered in order to explore a possible relationship between alcohol consumption and high blood pressure. The results are provided in the contingency table below. Your job is to determine if drinking status is independent of high blood pressure.

High Blood Pressure Status
Absent Present Total
Non drinker 26 11 37
Light to moderate 16 29 45
Heavy drinker 13 15 18
Total 55 45 100

a. Define the null alternative hypothesis.
b. Define the alternate hypothesis.
c. Let a = 0.05. Determine the rejection region.
d. Compute the test statistic.
e. What is the conclusion?

Purchase this Solution
Solution Summary

The solution tests the hypothesis that drinking status is independent of high blood pressure using chi-squared test of independence.

Purchase this Solution
Free BrainMass Quizzes
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.

Measures of Central Tendency

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

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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Statistics: U.S. Social Problems

    The Chi squared test (X2 test) for independence (sometimes called the Pearson chi squared test) tests the association (connection) between two categorical variables.

  • Chi squared for independence using SPSS

    A step by step explanation of how to perform Chi squared for independence using SPSS.

  • "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".

  • Analysis of Chi-squared and logistic Regression Tests

    The Chi squared test (X2 test) for independence (sometimes called the Pearson chi squared test) tests the association (connection) between two categorical variables.

  • chi squared tests

    Since we are testing whether two variables depend on one another, we need to use the test if independence instead of the goodness of fit test. Explains when to use goodness of fit and test of independence for chi squared tests.

  • Chi square test of independence

    This solution shows how to conduct a chi-square test of independence. All calculations and detailed explanations are included.

  • Chi-squared test and linear regression

    What is the null hypothesis in a chi-squared test of independence? 

  • Test of independence

    30658 Test of independence This is a generic question: A researcher who uses a "test of independence" to analyze his data in using a(n) a. Two way chi-squared test b. Independent-samples-test c. Dependent-samples t-test d.

  • Chi-Square Test of Hypothesis for Independence of Variables

    Uses chi squared test for independence of variables to test the hypothesis that success is independent of the type of treatment.

View More Related Solutions