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Quiz 4 – Statistical Analysis

What is the purpose of hypothesis testing? *
What should influence selection of a hypothesis test? *
Which test is commonly used to compare means between two groups? *
A company compares a continuous performance measure between two shifts. What may be appropriate? *
What is the primary purpose of ANOVA? *
Which ANOVA is used when one factor is being studied? *
Which ANOVA examines two factors? *
Production yields are compared across three production lines. Which method is appropriate? *
A pharmaceutical company compares three tablet presses. What can ANOVA determine *
What does correlation measure? *
What does regression do? *
Which graph provides a first visual check for a relationship between two variables? *
What does a correlation coefficient of 0.85 generally indicate? *
Which combination correctly matches the three major concepts in Section 4? *