Purchase Solution

Test of hypothesis

Not what you're looking for?

Ask Custom Question

Using AIU's large data base of survey responses from unit 2 Individual project (keep in mind this data base is your sample), you will begin testing hypothesis. Complete all of the following:

1. Test a hypothesis to see whether the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5=.05.

a.state the null hypothesis, the alternate hypothesis, and the significance level.

b. Using the data in our database, calculate the test statistic.

c. What is the critical level for the significance level?

d. What is your conclusion? Do we accept or reject the null hypothesis?

You may use Exel for the calculations, but, you need to answer all four questions.

Attachments
Purchase this Solution
Solution Summary

The solution tests the hypothesis the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5.

Solution Preview

see attached file

Using AIU's large data base of survey responses from unit 2 Individual project (keep in mind this data base is your sample), you will begin testing hypothesis. Complete all of the following:

1. Test a hypothesis to see whether the average overall job satisfaction (in the population of all workers in the USA) is equal to 4.5=.05.

a.state the null hypothesis, the alternate hypothesis, and the significance level.

b. Using the dat in our database, calculate the test statistic.

c. What is the critical level for the significance level?

d. What is your conclusion? Do e accept or reject the null hypothesis?

You may use Exel for the calculations, but, you need to answer all four ...

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.

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.

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

  • Left-Tailed, Two-Tailed, and Right-Tailed Testing

    How can we tell the direction of the test by looking at a pair of hypothesis? How can we tell which direction (or no direction) to make the hypothesis by looking at the problem statement (research question)?

  • The Purposes of a Hypothesis Test

    240917 The Purposes of a Hypothesis Test What is the purpose of a hypothesis test? What goes in the null hypothesis and what goes in the alternate hypothesis? Why is it inappropriate to put a sample statistic in the hypothesis?

  • Hypothesis Testing

    You get a p-value of 0.03 on a test with a significance level of 0.05. Which of the following is the correct decision statement for the test? A. Reject the null hypothesis B. Claim the null hypothesis is valid C.

  • Hypothesis test: sample of 100

    460193 Hypothesis test: sample of 100 Consider the following hypothesis test: HO: µ ≥ 80 Ha: µ < 80 A sample of 100 is used and the population standard deviation is 12.

  • Regression Hypothesis Test

    Interpret the results of your regression hypothesis test as it relates to the correlation of Education & Salary versus Experience & Salary. Solution: [Please refer to the EXCEL attachment for the conclusion of the correlation hypothesis test].

  • Hypothesis Testing

    Claim the alternative hypothesis is true A hypothesis test is used to test a claim. You get a P-value of 0.02 on a test with a significance level of 0.05.

  • Sample data to test the hypothesis with a two tailed test

    309436 Sample data to test the hypothesis with a two tailed test A sample of n=9 score is obtained from a normal population with σ=12 and the sample mean is M=60. 1.

  • Hypothesis Testing Using Normal Distribution

    Claim: p < 0.205 Alternative hypothesis B. Claim: p > 0.70 Null hypothesis Test the claim about the population mean µ with a z-test using the given sample statistics and level of significance a. Answers A.

  • Statistics and Hypothesis Testing Problems

    Write the null hypothesis, H0. 5. Write the alternate hypothesis, Ha. 6. Which hypothesis is the claim? 7. What type of hypothesis test will be required? Use the following information to answer questions 8 and 9.

  • 5 Step Hypothesis Test

    388291 5 Step Hypothesis Test Test the null hypothesis that a population mean is 50 against the alternate hypothesis that the mean is not 50. The data is of ratio level.

View More Related Solutions