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A counselor who specializes in working with adolescents believes that the personality trait of neuroticism is...

A counselor who specializes in working with adolescents believes that the personality trait of neuroticism is related to the amount of time teenagers spend using social media. To test this theory, she randomly selects 10 students from a local high school and has them complete a neuroticism questionnaire, with higher scores reflecting higher levels of neuroticism. She also has the students report the amount of time (hours per day) they spend on Instagram. Test this prediction using an alpha = .05, two-tailed. What is the symbolic null hypothesis (H0)?

a. rho less or equal than 0

b. rho greater or equal than 0

c. rho equals 0

d. rho not equal to 0

Math   Statistics-And-Probability   
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Answer #1

Solution:

Given: A counselor who specializes in working with adolescents believes that the personality trait of neuroticism is related to the amount of time teenagers spend using social media.

We have to test this prediction using an alpha = 0.05, two-tailed.

What is the symbolic null hypothesis (H0)?

Since test is two tailed, null hypothesis is always equal to type and its alternative is always not equal to type.

Thus null hypothesis is given by:

Thus correct answer is:

c. rho equals 0

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