StatTutor Lesson - Introduction to One-Way ANOVA: Comparing Several Means
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Introduction to chapter 25
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Questions 1-2
60
Question
1.
All students in this study were give the same fifty item multiple choice exam on material taught with these three different teaching styles. What type of variable is this?
A.
B.
Incorrect. Exam scores are quantitative.
Correct. Exam scores are quantitative.
Incorrect. Try again.
2
Question
2.
True or false: If the response variable is quantitative and three treatments are being tested, means should be compared.
A.
B.
Incorrect. We summarize quantitative data with means; we summarize categorical data with proportions.
Correct. We summarize quantitative data with means; we summarize categorical data with proportions.
Incorrect. Try again.
2
Question 3
118
Question
3.
What procedure is used to compare three or more means?
A.
B.
C.
Incorrect. We compare three or more means with analysis of variance.
Correct. We compare three or more means with analysis of variance.