Question

Run a regression analysis on the following data set, where yis the final grade in a...

Run a regression analysis on the following data set, where yis the final grade in a math class and xis the average number of hours the student spent working on math each week.

hours/week
x
Grade
y
5 53
5 50
8 60.2
9 60.6
9 68.6
10 68
11 64.4
11 71.4
20 100
20 100

State the regression equation y=m⋅x+b, with constants accurate to two decimal places.

What is the predicted value for the final grade when a student spends an average of 11 hours each week on math?
Grade = Round to 1 decimal place.

Homework Answers

Answer #1

The statistical software output for this problem is:

Hence,

Regression equation will be:

y = 3.24 x + 34.67

Predicted value of final grade = 70.3

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

ADVERTISEMENT
Active Questions
• Determine whether each of the following scenarios is a regression, classification, or clustering problem. We run...
asked 14 minutes ago
• A car makes a trip along a straight line without changing direction. The average speed of...
asked 19 minutes ago
• What were the major differences during the reconstruction era between the northern and southern parts of...
asked 24 minutes ago
• A group of researchers want to determine whether the order in which items are presented influences...
asked 26 minutes ago
• A scientist wishes to perform the Stern-Gerlach experiment to separate silver atoms at least 1cm (greater...
asked 29 minutes ago
• You are conducting a study to see if the mean doctor's salary (in thousands of dollars)...
asked 36 minutes ago
• 70% of the students applying to a university are accepted. Assume the requirements for a binomial...
asked 47 minutes ago
• Problem 9-24 Comprehensive Variance Analysis [LO9-4, LO9-5, LO9-6] Marvel Parts, Inc., manufactures auto accessories. One of...
asked 51 minutes ago
• please answer the following question: Debate the two approaches from business and technology perspective. A “keep...
asked 54 minutes ago
• I need a solution of this structural dynamics problem? A mass with mass 1 is attached...
asked 54 minutes ago
• According to a recent study1, it takes between 5.6 and 10.2 million joules of energy to...
asked 1 hour ago
• A regression analysis has been conducted between the annual income (in 1000 euros) and the work...
asked 1 hour ago