Purchase Solution

In testing the equality of the two means below, what is the test statistic?

Not what you're looking for?

Ask Custom Question

In testing the equality of the two means below, what is the test statistic? (Use the equal variances formula).

Sample 1 Sample 2
Sample size 12 8
Sample mean 115 80
Sample variance 700 450

A) 0.28 B) 3.27 C) 2.37 D) 0.14

Purchase this Solution
Solution Summary

A complete, neat and step-by-step solution is provided with calculations and the answer in plain text.

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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

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.

View More Free Quizzes
Related BrainMass Solutions

  • Testing of Hypothesis

    236501 In testing the equality of the two means below, what is the test statistic? (Use the unequal variances formula) In testing the equality of the two means below, what is the test statistic?

  • Question about Independent sample t test for mean

    236254 Question about Independent Sample T Test for Mean In testing the equality of the two means below, what is the test statistic? (Use the unequal variances formula).

  • Testing of hypothesis, Interpreataion of linear correlation

    The following posting answers four questions on F-statistic for hypothesis testing of the variance, linear correlation, equality of population variances, differences between treatment means.

  • Multiple choice questions- Hypothesis testing

    the following is the correct F statistic for testing the equality of the variance for these two sample.

  • Testing Equality of the Means of Two Populations

    282157 Testing Equality of the Means of Two Populations Find a dataset: approximately 30-100 scores or observations.

  • 3 Statistics Problems

    Use the formal hypothesis-testing model. State the conclusion in statistical terms and in conversational English. Use the ANOVA table below. Determine what the F-critical value is using an alpha of 5%.

  • Two or More Sample Hypothesis Testing

    The value of the test statistic for a test of the equality of proportions is a. -0.5319 b. 0.7293 c. -0.419 d. 0.2702 Objective: Determine when to use an ANOVA for managerial decisions. 8.

  • Statistics - Hypothesis Testing - Anova

    ANOVA Analysis of Variance (ANOVA) is used to test the equality of the means of three or more groups based on sample data. ANOVA is really a test of means even though it sounds like a test of variance.

  • ANOVA to test the equality of means

    ANOVA is really a test of means even though it sounds like a test of variance. Building on the hypothesis testing techniques discussed on the first two weeks, ANOVA uses an F test (rather than a Z or t test) to compare multiple means.

View More Related Solutions