How many items need to be deleted to get maximum reliability

Assignment Help Advanced Statistics

Reference no: EM13830911

You will need to complete the following tasks in SPSS and then submit the following

Activity 01:

a) Do a frequency table, histogram, normal Q - Q and the de-trended normal Q-Q for each one of the 11 variables.

b) Do descriptive statistics (mean, standard deviation, minimum, maximum) for each one of the 11 variables.

Activity 02:

a) Do at least 10 different correlations between the any pairs of variables: For example:

b) For each correlation discuss the results:
o Are they are positive/negatively correlated?
o Are they weak or strong correlations?
o What is the significance value?
o What does the significance value reveal about the data we have used?

Activity 03:
a) Do a Cronbach's alpha reliability test on the following 9 variables: HI001_Final_Exam, HI001_Assignment_01, HI001_Assignment_02, HI002_Final_Exam, HI002_Assignment_01, HI002_Assignment_02, HI003_Final_Exam, HI003_Assignment_01, HI003_Assignment_02.

b) Discuss the results.
a. What item/s can be deleted to improve reliability?
b. What items should never be deleted to maintain reliability of data?
c. How many items need to be deleted to achieve maximum reliability?

Attachment:- Part 02.xlsx

Reference no: EM13830911

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