Measurement and evaluation

evaluation

Evaluating or interpreting measurement results involves analyzing the data obtained and understanding its meaning.

Topics

are

data

is

Facts that are collected for analysis and can be textual or graphical are called data.

as

*surveys
*measurements
*records
*database

*Data analysis
*Patterns
*Decision making
*Data quality
*Data veracity


statistics

Descriptive statistics

It is a branch of statistics that is responsible for organizing, summarizing, and presenting data in an informative manner.

Inferential statistics

is

The performance of hypothesis testing is used to evaluate claims about the population based on the sample.

variable

qualitative variable

describes characteristics or attributes that cannot be measured numerically

quantitative variable

numerical values and can be measured or counted

sampling

sampling types

Simple random sampling: A subset of the population is randomly selected to form the sample.

Stratified sampling: The population is divided into groups or strata, and a sample is selected from each stratum.

measurement

Process of establishing the quantity of a property or characteristic with instruments