ZuoTi.Pro
Question

Please use the following data for questions 1-5. Data set A: Dr. Smith would like to...

Please use the following data for questions 1-5. Data set A: Dr. Smith would like to determine if a student has a chance to choose where he sits before, he takes his test as opposed to being assigned a seat, if this would have any effect on his exam score. Dr. Smith split up the class so that Group 1 was assigned seats and Group 2 was not. Did assigning seats made a difference in the exam scores between group 1 and 2?

Group 1 Group 2
77 95
88 77
77 71
90 70
68 63
74 42
62 58
93 63
82 76
79 65
  1. State the null and research hypothesis for the above experiment.
  2. Using hand calculations, what is the value of the numerator? What is the value of the denominator? Show some work.
  3. Calculate the t value.
  4. What is the critical value at the .05 significance level?
  5. What is the interpretation of the obtained value at the .05 level of significance? Are you able to reject the null, and support the hypothesis?
  6. Please state the conclusion in APA format.
math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
Please use the following data for questions 1-5. Data set A: Dr. Smith would like to...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • Questions #7 refers to the following: Dr. Smith believes that exposing babies and children to classical...

    Questions #7 refers to the following: Dr. Smith believes that exposing babies and children to classical music with raise their intelligence quotient (IQ). To test this idea, he administers IQ tests to 10 children of his friends who listen to classical music on a regular basis. He then compares the results from these 10 kids to the national average, which is 100. The results are below: T-Test T N One-Sample Statistics Mean Std. Deviation 10113.5000 14.3469 Std. Error Mean 4...

  • Please show all work. Use the following information for questions 1-10: A researcher is creating a...

    Please show all work. Use the following information for questions 1-10: A researcher is creating a new treatment protocol for Myelodysplastic Syndrome (MDS), a form of preleukemia. Following the old treatment protocol, 32% of patients with MDS will develop leukemia within 5 years of MDS diagnosis. He believes his new treatment protocol will lead to fewer MDS patients developing leukemia. He takes a random sample of 100 individuals on his new treatment protocol. Of these 100 individuals, 27 develop leukemia...

  • please answer al questions and round to 3 decimal places as needed This Question: 1 pt...

    please answer al questions and round to 3 decimal places as needed This Question: 1 pt 1 of 24 10 completel This Tost: 24 pts possible w In a study of 11 randomly selected medical mapractice wults, it was found that 477 of them were dropped or domised. Use0.05significance level to best he claim that most medical mapractice wuts are dropped or disse Which of the following is the hypothesis best to be conducted? OA HD-05 OB Hip 05 Hp0.5...

  • please answer these questions QUESTION 14 The owner of a toy store has received his first...

    please answer these questions QUESTION 14 The owner of a toy store has received his first shipment of a certain type of toy, and is trying to decide whether $26.50 is an acceptable prion to charge for this toy. Ho samples 40 other stores that already sell this toy, and finds that the average price for the 40 stores in $24.63, and the standard deviation is $6.12. He will decide that $26.50 is acceptable if he finds that it is...

  • The following data were collected from a repeated-measures study. Perform an ANOVA. Use a .05 alpha...

    The following data were collected from a repeated-measures study. Perform an ANOVA. Use a .05 alpha level. (10 POINTS) Treatment A B G = 36 EX? = 192 4 4 8 T= 12 T= 24 SS = 4 SS 8 1) State the null hypothesis. 2) Calculate necessary statistics (USE AN ANOVA even though K=2, and a=.05). 3) Make a decision about your null hypothesis and explain what that decision means. 4) Make a conclusion about your IV and DV...

  • Use the following information to answer questions 5 through 7. A health foods shop owner is...

    Use the following information to answer questions 5 through 7. A health foods shop owner is wondering if his customer's daily vitamin supplement habits are in the same proportion as the general population of adults. The shop owner heard in a news report that 60% of all adults reported that they took a daily vitamin. The shop owner believes that his customers have a greater proportion of adults who take a daily vitamin. 5) (4 points) State the null hypothesis...

  • PLEASE SHOW IN EXCEL You need to decide if two teachers teach the same or differently....

    PLEASE SHOW IN EXCEL You need to decide if two teachers teach the same or differently. You have randomly assigned students to the different teachers. Then, the students take a standard exam at the end of the class. The scores for the teachers are: Teacher 1 Teacher 2 35 52 51 87 66 76 42 62 37 81 46 71 60 55 55 67 53 Did one teacher do better or worse than another teacher? State your hypothesis and your...

  • Use the following to answer the questions 1-5. A manufacturer of banana chips would like to...

    Use the following to answer the questions 1-5. A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 441 gram setting. Based on a 19 bag sample where the mean is 448 grams and the variance is 625, is there sufficient evidence at the 0.05 level that the bags are underfilled or overfilled? Assume the population distribution is approximately normal. 1. What are the null and alternative hypotheses? A-Ho: ? 441, Ha:...

  • Assignment # 1 3: Between-Subjects ANOVA Instructions: For each research scenario, please complet...

    please show all 6 steps with calculations! Assignment # 1 3: Between-Subjects ANOVA Instructions: For each research scenario, please complete the source table and conduct a hypothesis test at a-05 significance level using a between-groups ANOVA to determine if one group is different from the others. Please be sure to show your work when performing mathematical operations. Please round all calculations to two decimal places. Scenario 1. Dr. Smith has developed a new way to administer a GRE prep workshop...

  • A study conducted by the American Heart Association found that the average American exercises vigorously for...

    A study conducted by the American Heart Association found that the average American exercises vigorously for an average of 17 minutes per day, with a standard deviation of 1.2. A researcher who works with women with health issues wants to determine if the group is different than the national average. The researcher finds that his group of 25 women exercises 15 minutes per day. Assume normal distribution and test at a 0.05 level of significance (a = .05). 1. State...

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