STATISTICS QUIZ 1A

It is a collection of methods for planning experiments, obtaining data, and analyzing, interpreting, and drawing conclusions on the data.

• Statistics

• Data

• Variable

• Population

What is the purpose of statistics?

• To plan experiments

• To obtain data

• To analyze and interpret data

• All of the above

What is the definition of data?

• Methods for planning experiments

• Collection of information

• Variable in an experiment

• Entire group being studied

What is a variable in statistics?

• A method for planning experiments

• A collection of information

• A factor that can change in an experiment

• The entire group being studied

It is a subgroup of population

• data

• variable

• population

• sample

A variable that that represent an amount or a count.

• Qualitative variables

• Discrete variables

• a.    Quantitative variables

• Continuous variables

Miko interviewed some teachers in every department of PCF for his research by using the SRS. What type of method of sampling Miko does?

• Random Sampling

• Stratified Sampling

• Systematic Sampling

• Cluster Sampling

Anna makes a survey where her variable is body temperature of the teachers in PCF. What type of variable that she chooses?

• Qualitative variables

• Discrete variables

• a.    Quantitative variables

• Continuous variables

Anna's variable is body temperature, what level of measurement does Anna had?

• Nominal Level

• Ordinal Level

• Interval Level

• a.    Ratio Level

What do you mean the term SRS?

• Sample random sampling

• Simple random sampling

• Stratified random sampling

• None of the above