Data Analysis Assignment
Significant tests
This assignment will examine students' experience in performing significant tests; one-sample t-test, independent sample t-test, dependent(Paired) sample t-test, ANOVA test, and chi-square test, and others.
The questions below are to be analyzed based on the file World95_data.sav
1- Compare the literacy status reported in the data set based on religion;
• How do we compare the literacy rate of countries with majority of Muslims, Jews, Hindu, Catholic and protestant?
Research Question: is there a significant difference in literacy mean among countries with a majority of Muslims, Jews, Hindus, Catholic and Protestants?
What is the Test Name you use, write down the Null Hypothesis
What is the Output
What is the Explanation
Display average literacy rate (Average) for each of mentioned Relegions
Which country has
Most Literacy rate mean ==>
Least Literacy rate mean ==>
2- Compare the literacy rate average of Catholic with [protestant, and Orthodox].
Research Question: is there a significant difference in literacy rate mean between countries with majority of Catholic and [protestant, and Orthodox].
What is the Test Name you use, write down the Null Hypothesis
What is the Output
What is the Explanation?
• How to Divide literacy into 4 segments, 0-25, 25-50, 50-75, 75-100
3- Test the following hypotheses based on the data listed in the file
Research Question: Is there a significant difference in life expectancy mean of males between Middle East and Latin America.
What is the Test Name you use, write down the Null Hypothesis
What is the Output?
What is the Explanation?
Research Question: Is there a significant difference in level of literacy between OECD, and Latin America countries?
What is the Test Name you use, write down the Null Hypothesis
What is the Output?
What is the Explanation?
Research Question: Is there a significant difference in level of literacy for the countries who have life expectancy of female below and above 60 years.
What is the Test Name you use, write down the Null Hypothesis
What is the Output?
What is the Explanation?
Research Question: Is there no difference in GDP/capita of countries whose literacy ranges between 50-75 and 75-100.
What is the Test Name you use, write down the Null Hypothesis
What is the Output?
What is the Explanation?
• Consider the literacy rate of included countries in the study, compare the level of literacy of the countries according to their dominant religion, by creating a table which shows the mean literacy per religion, in addition to standard deviation, and the confidence interval which depicts the interval which contains the population average by a chance of 95%.
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4- Test for Normality: test the normality of the following variables.
• Literacy
• Calories
• Fertility
What is the Test Name you use, write down the Null Hypothesis
What is the Output?
What is the Explanation?
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