Question

9. The correlation between amount of time spent studying for a final and the final exam grade is 0.9. Explain what this means
0 0
Add a comment Improve this question Transcribed image text
Answer #1

is measure a if one meany ore means 7 quantity is Correlahen a term that is of the strength of linear relationship between tw

Add a comment
Know the answer?
Add Answer to:
9. The correlation between amount of time spent studying for a final and the final exam...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 9. The correlation between amount of time spent studying for a final and the final exam...

    9. The correlation between amount of time spent studying for a final and the final exam grade is 0.9. Explain what this means. +

  • Give an example of a lurking variable that might explain the nonsense correlation between time spent...

    Give an example of a lurking variable that might explain the nonsense correlation between time spent studying for an exam and grade received on the exam based on the scatterplot. Score on exam 100t Hours studying The lurking variable is "Current grade in the class." Students performing well in the class may not need to study long for exams. The lurking variable is "Study hours." The longer students study for the exam, the lower the grade they will receive on...

  • A teacher is interested in the relationship between the time spent studying for an exam and...

    A teacher is interested in the relationship between the time spent studying for an exam and exam score. The table lists scores for 5 students. The value of b0 = 67.91 and the value of b1 = 0.75 Hours studied 5 18 3 15 17 Exam score 63 87 79 72 82 . Step 2 of 6 : Calculate the Sum of Squared Errors (SSE). Round intermediate values and final answer to two decimal places.

  • What is the relationship between the amount of time statistics students study per week and their...

    What is the relationship between the amount of time statistics students study per week and their final exam scores? The results of the survey are shown below. Time Score 3 10 15 512 015 58 75 89 89 77 79 54 96 a. Find the correlation coefficient: r = Round to 2 decimal places. b. The null and alternative hypotheses for correlation are: Ho: ? - 0 H: 70 (Round to four The p-value is: decimal places) c. Use a...

  • A teacher is interested in the relationship between the time spent studying for an exam and...

    A teacher is interested in the relationship between the time spent studying for an exam and exam score. The table lists scores for 5 students. The value of b0 = 28.45 and the value of b1 = 3.68 Hours studied 18 10 14 4 17 Exam score 94 42 100 51 87 . Step 2 of 6 : Calculate the Sum of Squared Errors (SSE). Round intermediate values and final answer to two decimal places. and work out steps 3,4,...

  • What is the relationship between the amount of time statistics students study per week and their...

    What is the relationship between the amount of time statistics students study per week and their final exam scores? The results of the survey are shown below. Time 12 0 3 14 14 9 0 13 10 Score 95 60 73 85 86 89 65 97 93 Find the correlation coefficient: r=r=    Round to 2 decimal places. The null and alternative hypotheses for correlation are: H0:H0: ? μ ρ r  == 0 H1:H1: ? ρ μ r   ≠≠ 0 The p-value is:    (Round...

  • Suppose you must divide your time between studying for your math final and writing a final...

    Suppose you must divide your time between studying for your math final and writing a final paper for your English class. The fraction of your time that you spend studying math and its relation to your grade in the two classes is given in the table below. Fraction of Time                           Math                      English Spent on Math       0                                              0                                  97       20                                            45                                92       40                                            65                                85       60                                            75                                70       80                                            82                                50       100                                          88                                0...

  • Judy spent 8 hours studying for an exam. Normally, she would have spent that time watching...

    Judy spent 8 hours studying for an exam. Normally, she would have spent that time watching TV instead of studying. She figures she could have made a "B" after only studying 4 hours, but she really wanted an "A" What is Judy's marginal cost in terms of TV viewing to improve her grade from a "B" to an "A"? 1 hour 8 hours 4 hours $8

  • please correct red error boxes What is the relationship between the amount of time statistics students...

    please correct red error boxes What is the relationship between the amount of time statistics students study per week and their final exam scores! The results of the survey are shown below The ruil and alternative hypotheses for correlation are The preluet: 1.0024 Round to four decimal places c. Use a level of sigrice -0.05 to state the conclusion of the hypothesis test in the context of There la statistically significant evidence la conclude that there a carrodation between the...

  • 4. The time spent studying for an exam and the result of the exam for a...

    4. The time spent studying for an exam and the result of the exam for a random sample of 8 students in an elementary statistics course are shown below. Time (hours) 5 7 5 6 7 10 5 8 Exam's Score 70 80 75 78 75 99 85 90 (a) (6 points) Find the equation of the regression line. Round answers to a whole number. (b) (5 points) Predict the exam's score for a student who studied 6 hours assum-...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT