elementary statistics 5 easy questions

In a survey of 120 students at St. Lawrence University in upstate New York, researchers found that students who claimed to have never pulled an all-nighter had an average GPA of 3.1 compared to 2.9 for those students who do claim to have pulled all-nighters.

QUESTION 1

In this context, who or what is an observational unit?

researcher

whether or not they pulled an all-nighter

GPA

student

0.4 points

QUESTION 2

Which of the following is the explanatory variable?

Those students who have pulled an all-nighter

Student

GPA

Whether or not they have pulled an all-nighter

0.4 points

QUESTION 3

Which of the following is the response variable?

GPA

Whether or not the student has pulled an all-nighter

Average GPA

Student’s who pull all-nighters tend to have a lower GPA on average

0.4 points

QUESTION 4

Is the explanatory variable categorical or quantitative?

0.4 points

QUESTION 5

Is the response variable categorical or quantitative?

0.4 points

elementary statistics 5 easy questions

QUESTION 1

QUESTION 2

QUESTION 3

QUESTION 4

QUESTION 5

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		researcher
		whether or not they pulled an all-nighter
		GPA
		student

		Those students who have pulled an all-nighter
		Student
		GPA
		Whether or not they have pulled an all-nighter

		GPA
		Whether or not the student has pulled an all-nighter
		Average GPA
		Student’s who pull all-nighters tend to have a lower GPA on average