RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

INTRODUCTION OF STATISTICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Classify the following as descriptive or inferential statistics.The average salary of the graduates of the class of 1980 is $32, 500.
A
Descriptive
B
Inferential
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -But what’s the difference between them? In a nutshell, descriptive statistics focus on describing the visible characteristics of a dataset (a population or sample). Meanwhile, inferential statistics focus on making predictions or generalizations about a larger dataset, based on a sample of those data.

Detailed explanation-2: -Descriptive statistics summarize the characteristics of a data set. Inferential statistics allow you to test a hypothesis or assess whether your data is generalizable to the broader population.

Detailed explanation-3: -It is used to describe the characteristics of a known sample or population. Measures of inferential statistics are t-test, z test, linear regression, etc. Measures of descriptive statistics are variance, range, mean, median, etc.

There is 1 question to complete.