# STA100 HANDOUTS | General Mathematics and Biostatistics Notes

## STA100 HANDOUTS

### STA100: General Mathematics and Biostatistics

#### Sets and Numbering Systems

Mathematical research begins with the study of sets and the development of number systems. The whole mathematical system can be represented as a “set”; therefore, it is important for us to understand the meanings, notes, and structures of the “sets”.

#### Matrices and Determinants

Definition: A matrix is ​​a rectangular arrangement of numbers in rows and columns. Matrix layout number of rows and columns. Included are numbers in the matrix.

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### STA100: General Mathematics and Biostatistics

#### Statistics

Methods of collecting, organising and analysing numerical information are called statistics. The parts of numerical and non-numerical information are called data. In order to collect data, you need to look at or measure a particular asset; this structure is called a variable.

##### Quality Variable

A variable is a symbol if it is not likely to take a numerical value. The variable is the volume if it can take a numerical value. A quantity variable that can take any value in a given range is called a continuous variable. A volume variable with clear steps between its possible values ​​is called a discrete variable.

##### Descriptive Statistics

Descriptive statistics include those methods related to collecting and interpreting data collection in order to produce meaningful information.

##### Inferential Statistics

Inferential Statistics covers those methods related to the analysis of a small data set that leads to speculation or speculation about the entire data set.

##### Frequency distribution

Distribution frequency is a statistical table presentation that helps to analyse large data sets. Distribution frequency summaries statistical data by assigning it to specific groups, or intervals.

##### Relative Frequency

The related frequency is calculated by dividing the frequency of each episode by the total number of observations. Simply put, the related frequency is the percentage of total view that falls within each interval.

##### Cumulative Frequency

Cumulative Frequency is calculated by summarising the frequencies starting at the lowest point and continuing at the top. The accumulated frequency of any given interval is the sum of the frequent frequency and includes the given interval.