ENGDAT Q2 FINALS

______ is defined as the branch of science that deals with collection, presentation, organization, analysis, and interpretation of data

• Statistics

• Inferential statistics

• Descriptive statistics

A _____ refers to the entire collection of individuals or objects about which information is desired

A summary measure that describes a specific characteristic of a sample is called a ______

______ is a collection of observations on one or more variables

______ is a characteristic whose value may change from one observation to another.

Sampling must be carefully performed for improper sampling may cause ______

It is a sampling method that ensures that every different sample of a certain size has an equal chance of being chosen as the sample. ______ may be done as either sampling without replacement (once chosen, cannot be chosen again) or sampling with replecement (once chosen, may be chosen again).

• Random Sampling

• Cluster Sampling

• Stratified Random Sampling

• Systematic Sampling

It is a type of sampling method that divides the population into a set of nonoverlapping subgroups, and then random sampling is done for each of these subgroups.

• Random Sampling

• Cluster Sampling

• Stratified Random Sampling

• Systematic Sampling

Linear Regression is the supervised machine learning model in which the model finds the best fit ___ between the independent and dependent variable.

Linear regression analysis is used to predict the value of a variable based on the value of another variable.

• TRUE

• FALSE