Statistics 301 – Study
Guide, Exam Prep,
Practice Questions &
Answers
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, What is statistics? The science of turning data into knowledge
What is the first step in the statistical process? Start with a question.
What is the second step in the statistical process? Collect data.
What is the third step in the statistical process? Analyze data.
What is the fourth step in the statistical process? Interpret and present results.
What is the fifth step in the statistical process? Repeat.
Why is how data is collected critical? Because the way data is collected can affect the results and conclusions.
Controlled expirement An experiment in which only one variable is manipulated at a time.
What question is used as an example of a controlled Is a new drug effective?
experiment?
What method should be used to design an experiment to The method of comparison.
determine if a new drug is effective?
What does a controlled experiment compare? The responses or outcomes of two groups.
Treatment VS control group receives VS does not receive
What are the two groups in a controlled experiment? The treatment group and the control group.
What is the purpose of comparing a treatment group to a To determine whether the treatment causes a difference in outcomes.
control group?
Statistics process: Question → Collect Data → Analyze → Interpret/Present → Repeat
What is a confounding factor? An outside factor that differs between groups and can affect the outcome.
Guide, Exam Prep,
Practice Questions &
Answers
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, What is statistics? The science of turning data into knowledge
What is the first step in the statistical process? Start with a question.
What is the second step in the statistical process? Collect data.
What is the third step in the statistical process? Analyze data.
What is the fourth step in the statistical process? Interpret and present results.
What is the fifth step in the statistical process? Repeat.
Why is how data is collected critical? Because the way data is collected can affect the results and conclusions.
Controlled expirement An experiment in which only one variable is manipulated at a time.
What question is used as an example of a controlled Is a new drug effective?
experiment?
What method should be used to design an experiment to The method of comparison.
determine if a new drug is effective?
What does a controlled experiment compare? The responses or outcomes of two groups.
Treatment VS control group receives VS does not receive
What are the two groups in a controlled experiment? The treatment group and the control group.
What is the purpose of comparing a treatment group to a To determine whether the treatment causes a difference in outcomes.
control group?
Statistics process: Question → Collect Data → Analyze → Interpret/Present → Repeat
What is a confounding factor? An outside factor that differs between groups and can affect the outcome.
