Applied Statistical Methods - Statistics Assignment, Exam Module 1

This assignment provides solutions to questions related to Applied Statistical Methods, covering key concepts from Exam Module 1. The solution addresses topics such as descriptive and inferential statistics, explaining the difference between them and providing examples. It defines and differentiates between independent and dependent variables, and categorizes variables as qualitative or quantitative, with examples. The assignment further explores levels of measurement (nominal, ordinal, interval, and ratio scales) and applies them to specific examples. Finally, it identifies frequency polygons and their skewness. The document includes references for further study.

Running head: Applied Statistical Methods
Applied Statistical Methods
Name of the university
Name of the student

2Applied Statistical Methods
Table of Contents
Q1...............................................................................................................................................3
Q2...............................................................................................................................................3
Q3...............................................................................................................................................3
Q4...............................................................................................................................................3
Q5...............................................................................................................................................3
Q6...............................................................................................................................................3
References:.................................................................................................................................4

3Applied Statistical Methods
Q1.
This is an example of descriptive statistics.
Q2.
80th percentile means that 80 % of the scores are less than the mentioned score. Or in other
words 80th percentile is the smallest score that is greater than 80% of the other scores.
Q3.
In a company, where salary of an employee increases with increase in time with the
company; time spent with the company is the independent variable and salary is the
dependent variable.
Q4.
a. Rating of the quality of a movie on a 7-point scale – Qualitative
b. Age – Quantitative
c. Country you were born in – Qualitative
d. Favorite Color – Qualitative
e. Time to respond to a question – Quantitative
Q5.
a. Rating of the quality of a movie on a 7-point – Ordinal
b. Age – Ratio
c. Country you were born – Nominal
d. Favorite Color – Nominal
e. Time to respond to a question – Interval
Q6.
a. Negative Skew
c. Positive Skew

4Applied Statistical Methods
References:
Berenson, M., Levine, D., Szabat, K.A. and Krehbiel, T.C., 2014. Basic business statistics:
Concepts and applications. Pearson higher education AU.
Siegel, A., 2016. Practical business statistics. Academic Press.