How many techniques do you know in deciding the number of factors to retain in a factor analysis? Explain one of them

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Course Work

1. a) What determines whether you will be using a parametric test or non-parametric test? Your explanation should include the type of data.

b) What are two assumptions that you can check using exploratory data analysis (EDA)?

c) For each of the assumption, explain the expected value/s for the statistic tests and/or show the expected plots.

d) Give the hypotheses tested for each of the above assumptions. (10 marks)

2. How many techniques do you know in deciding the number of factors to retain in a factor analysis? Explain one of them. (10 marks)

3. Refer to the output on reliability analysis for money attitude that has six items and answer the following questions.

a) Explain the meaning of the Cronbach’s alpha value.

b) Decide on the value of reliability by referring to the inter-item correlation matrix, corrected item-total and alpha if item deleted.

c) What does the squared multiple correlation in the item-total summary statistic table means? (10 marks)

 4. By referring to the output given from an ANOVA test for the differences in emotional and physical health based on the three states in Malaysia, answer the following questions. The states are Perak (coded as 1), Selangor (coded as 2) and Melaka (coded as 3).

a) Give support that the assumptions for ANOVA are fulfilled.

b) Create the related hypotheses for the differences in emotional and physical health based on the three states.

c) Determine the results of the hypotheses testing.

c) Discuss the multiple comparisons for the states.

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