Statistics Quiz

What is the branch of applied mathematics that involves the collection, description, analysis, and inference of conclusions?

• Calculus

• Statistics

• Algebra

• Geometry

Which type of statistics summarizes data using a single value?

• Inferential Statistics

• Predictive Statistics

• Descriptive Statistics

• Qualitative Statistics

What does the null hypothesis (Ho) state?

• The independent variable has an effect on the dependent variable

• The independent variable has no effect on the dependent variable

• The sample is representative of the population

• The data is normally distributed

What is the alternative hypothesis (H1) in relation to the null hypothesis?

• It is the same as the null hypothesis

• It contradicts the null hypothesis

• It is a type of descriptive statistic

• It is a measure of central tendency

What is defined as the entire group you want to study?

• Stratum

• Sample

• Subset

• Population

What is a sample in statistics?

• A measure of central tendency

• A portion of the population

• The entire population

• A type of hypothesis

What is Lottery Sampling also known as?

• Cluster Sampling

• Simple Random Sampling

• Stratified Sampling

• Systematic Sampling

In systematic sampling, how are samples selected?

• Randomly from the entire population

• In intervals from a list

• Based on characteristics

• From geographical areas

What does stratified random sampling involve?

• Selecting every nth element

• Grouping based on homogeneity

• Sampling from geographical areas

• Using a single random sample

What is cluster sampling based on?

• Random selection of individuals

• Characteristics of the population

• Geographical basis

• Equal representation of all groups