BUS708: Statistics and Data Analysis - Inferential Statistics Report - Business Assignment Help

Assignment Task:

This assignment will test your skill to present and summarise data as well as to make basic statistical inferences in a business context. You will use the results and any feedback is given in Assignment 1 (Assessment 3, Excel Report) and produce a single report in a word document. You will need to construct interval estimates, perform suitable hypothesis tests and regression analysis and make conclusion and suggestion for management action.  Your report should be written in a word document and should be submitted to Turnitin following the requirement explained below. 

Objectives: 
O1 Cases and variables 
O2 Types of variables 
O3 Population and sample 
O4 Bias and random sampling

Tutorial Questions:(BUS708)
 
Q1). Here is a small part of a dataset that includes information on all 136 movies to come out of Hollywood in 2011.  “Rating” is audience rating on a 100-point scale, “Budget” is budget in millions of dollars, and “Opening” is opening weekend gross, in millions of dollars.

a. What are the cases in this dataset?  
b. Write down all the variables.  
c. Identify each of the above variables as quantitative or categorical.  
d. Describe the data for the movie “The Help”.
 
Q2). A random sample of 100 international students was taken and asked to fill in a questionnaire with the following questions. Identify the type of variable for each question.  
a. Which country are you from?
b. What is your age? 
c. What is your gender? 
d. How much do you spend on accommodation per week? 
e. How many courses (subjects) are you doing this semester? 
f. Which suburb do you live? 

Further Exercises:(BUS708)

Q3). Can eat a yoghurt a day cause people to lose weight (as compared to not eating yoghurt)?  In a study investigating this:    
a. Describe the cases in the above situation. 
b. What are the variables and state each variable is quantitative or categorical?  
c. What might a dataset look like that might help us answer this question?  Make up some data to show the first couple of rows of such a dataset.

Q4). Give the cases and the variables in each situation below, and identify each variable as categorical or quantitative.   Make up some data to show the first couple of rows of such a dataset in each situation.  
a. Asking Australian citizens whether they support gun control. 
b. Asking college students how many hours of sleep they got last night.
 
Q5) A student in Indonesia would like to study Master Of Professional Accounting (MPA) in Sydney Australia. She obtained information about the institutions which provide MPA program in Sydney. 
a. What are the cases in this data set? 
b. Give two quantitative and two categorical variables for this data.  
c. If the student needs to analysis the whole population, what data does she have to collect?  
d. Can she generalize to broad a population if she collects the information from her friends where they are studying?
 

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