Suppose a Study Was Done to Determine If the Average

question 87

Multiple Choice

Suppose a study was done to determine if the average amount of sleep that students get the day before an exam is less than 6 hours.An SRS of 100 students from a university was taken and a mean of 5.5 hours was computed from the sample.The figure below provides the results of the analysis. What is the null hypothesis?

• A)H₀:  = 6
• B)H₀:  = 5.5
• C)H₀:  > 6
• D)H₀:  < 6
• E)H₀:  < 5.5

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