Purchase Solution

F test: Five step approach

Not what you're looking for?

Ask Custom Question

A random sample of five observations from the first sample resulted in a standard deviation of (12). A random sample of seven observations from the second sample gave a standard deviation of (7) at the (.01) significance level. Is there more variation in the first population? And is the null hypothesis rejected or not, and why? (ANOVA Test)

Purchase this Solution
Solution Summary

This solution provides a step by step method for the calculation of the F test. Additionally, the formula for the calculation and the interpretations of the results are also included. Also, an interactive Excel sheet is included; the user can edit the inputs and obtain the complete results for a new set of data.

Solution Preview

** Please see the attached file for the complete solution response **

ANOVA TEST
A random sample of five observations from the first sample resulted in a standard deviation of (12). A random sample of seven observations from the second sample gave a standard deviation of (7) at the (.01) significance level. Is there more variation in the first ...

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

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.

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.

View More Free Quizzes
Related BrainMass Solutions

  • Chi square test

    Five step approach is used to test the hypothesis. The calculations given you in excel have some mistakes. The correct method is included in excel. Step by step method for testing the Chi square hypothesis under 5 step approach is discussed here.

  • One way & Two way ANOVA

    f. What is the appropriate conclusion? 3. Ann May wishes to determine if the mean price of grocery items is the same for five supermarkets in her city. The same seven food (and brand) items were priced at the five stores. a.

  • ANOVA: Apple juice concentrate

    This solution gives the step by step method for ANOVA.

  • Correlation and regression analysis

    388504 Statistics: Five step test for US gas consumption using F test, scatterplot, correlations See attached data file. 1. Show variables data are useful, there will be a number of variables look at scatter plots, do an F test.

  • ANOVA for Flammability tests in Minitab

    The null hypothesis tested is: H0: There is no significant difference in the mean test score of five laboratories H1: The mean test score of five laboratories are significantly different Test Statistics is F = 4.53 Critical Value = F(4,50) = 2.557

  • ANOVA problems

    Step by step method for testing the hypothesis under 5 step approach is discussed here.

  • Independent sample t test for real estate data set.

    208316 The five step process for a hypothesis test comparing two means Perform the five-step hypothesis test on sales data to determine if there is a difference in the mean selling price of the homes with a pool and homes without a pool?

  • Five step process for ANOVA.

    193039 Five step process for ANOVA Please solve the following problem using the 5 step process for hypothesis testing.

  • 3 Statistics Problems

    Use an alpha of 5% and set up the full, detailed, five step hypothesis test. Assume when the sample 201 is taken the sample mean is 151.77 and the sample standard deviation is 10. Use full 5-step formal hypothesis testing structure.

View More Related Solutions