What are the reported degrees of freedom

Assignment Help Basic Statistics
Reference no: EM132586241

Practice Exercise: Chi-Square Test of Independence

When is it appropriate to use the chi-square test of independence instead of the one sample chi-square? (Hint: You can get information on this test through the SPSS Help menu by selecting Topics and searching for chi-square in the index)

a. When there are two categorical variables
b. When the expected frequencies are greater than 5 in atleast 20% of cells
c. When the observations are indipedent.

1. Write an appropriate null hypothesis for this analysis.

2. What is the value of the chi-square statistic?

3. What are the reported degrees of freedom?

4. What is the reported level of significance?

5. Based on the results of the chi- square test of independence, is there a statistically significant relationship between gender and attitude toward cooperative learning?

5. What percent of males favor compulsory cooperative learning in schools?

6. What percent of females favor compulsory cooperative learning in schools?

8. Based on the percent within gender, are males more likely, less likely, or equally

9. Report and interpret your findings as they might appear in an article.

Practice Exercise: Chi-Square Test of Independence

Use the Crosstabs option in the Descriptives menu to answer the questions based on the following scenario. (Be sure to select Chi-square from the Statistics submenu and Observed, Expected, Row, and Column in the Cells submenu. Assume a level of significance of .05)

You are interested in determining the existence of a significant interaction between three Preferred Instructional Strategies and Gender.

1. Write an appropriate null hypothesis for this analysis.

2. What is the value of the chi-square statistic?

3. What are the reported degrees of freedom?

4. What is the reported level of significance?

5. Based on the results of the chi- square test of independence, was there a statistically significant relationship between gender and the instructional strategy preference?

6. Based on the percentages within gender does there appear to be a clear instructional preference among males? If so, what strategy is preferred?

6. Based on the percentages within gender does there appear to be a clear instructional preference among females? If so, what strategy is preferred?

7. Were the preferred strategies identified by the males and females the same?

8. Report and interpret your findings as they might appear in an article.

Reference no: EM132586241

Questions Cloud

Participation of employees in organizational initiatives : An ongoing investment in training and development is essential for improving the performance and participation of employees in organizational initiatives
Affect supply chain management success : What do you consider are some of the problems that affect supply chain management success?
What is the factory overhead applied to job : Job was completed with $4,500 of direct materials and $3000 of direct labor. the direct labor rate was $15 per hour. What is the factory overhead applied to job
Describe the overall goal of supply chain : Describe the difference between a supply that is responsive (service) and a supply chain that is efficient. Can a supply chain be both?
What are the reported degrees of freedom : Chi-Square Test of Independence - What is the reported level of significance and What are the reported degrees of freedom
Is the operating income good or bad : In July, XYZ, Inc., a merchandising company, had sales of $295,000, Is the operating income good or bad, and why? Make Income Statement in good form for July.
Explain the concept of a social engineering attack : Explain the concept of a social engineering attack and the methods you would employ to reduce your organization's exposure to it.
Why make specific decisions in areas of capital budgeting : Assess how and why corporations make specific decisions in the areas of capital budgeting, raising capital, and propose the best Debt/Equity ratio suitable
Describe the types of assets : Assume that An agency has focused its system development and critical infrastructure data collection efforts on separate engineering management systems.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd