A marketing professor at Givens College is interested in the relationship between hours spent studying and total points

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A Marketing Professor At Givens College Is Interested In The Relationship Between Hours Spent Studying And Total Points 1 (113.9 KiB) Viewed 63 times

A marketing professor at Givens College is interested in the relationship between hours spent studying and total points earned in a course. Data collected on 10 students who took the course last quarter follow. Hours Total Spent Studying Points Earned 45 30 90 60 105 65 90 80 55 75 O Ho: B₁ * 0 H₂: B₁ = 0 O Ho: B₁ = 0 H₂: B₁ = 0 40 O Ho: B₁ ≥ 0 Ha: B₁ <0 35 o Hoi Boto 75 65 90 50 90 (a) Develop an estimated regression equation showing how total points earned can be predicted from hours spent studying. (Round your numerical values to two decimal places.) ŷ = 63.584.65 80 (b) Test the significance of the model with a = 0.05. (Use the F test.) State the null and alternative hypotheses. o Ho: Bo=0 H: Boo 45 65 H₂: B₁ = 0 Find the value of the test statistic. (Round your answer to two decimal places.) Ha: Bo #0 O Ho: B₁ * 0 Ha: B₁ = 0 O Ho: B₁ = 0 H₂: B₁ * 0 O Ho: B₁ 20 H₂: B₁ <0 o Ho: Boto H: Bo=0 Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to three decimal places.) p-value = State your conclusion. O Do not reject Ho. We cannot conclude that the relationship between hours spent studying and total points earned is significant. O Reject Ho. We cannot conclude that the relationship between hours spent studying and total points earned is significant. O Reject Ho. We conclude that the relationship between hours spent studying and total points earned is significant. O Do not reject Ho. We conclude that the relationship between hours spent studying and total points earned is significant. (c) Predict the total points earned by Mark Sweeney. He spent 50 hours studying. (Round your answer to two decimal places.) points (d) Develop a 95% prediction interval for the total points earned by Mark Sweeney. (Round your answers to two decimal places.) points to points Need Help? Submit Answer Read It Viewing Saved Work Revert to Last Response View Previous Question Question 6 of 12 View Next Question