ZuoTi.Pro
Question

A test taker was administered a test with a reliability of .80 and achieved an observed...

A test taker was administered a test with a reliability of .80 and achieved an observed score of 70. Given the SD of the test was 11.36, calculate the Standard Error of Measurement (SEM). Enter your answers below to the second decimal place.

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

Formula to calculate SEM is =

Ehere , S = standard deviation

r = reliability factor

Here, S = 11.36 , r = 0.8

Then , SEM = = 5.08

0 0
Add a comment
Know the answer?
Add Answer to:
A test taker was administered a test with a reliability of .80 and achieved an observed...
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

  • (3 pts) Round answers below to three decimal places. Scores on a dexterity test administered to...

    (3 pts) Round answers below to three decimal places. Scores on a dexterity test administered to a nation-wide pool of job applicants are approximately normally distributed with a mean of 70 and a standard deviation of 6.5. Consider the score of a randomly selected test-taker. (a) The probability that a randomly selected test-taker will score higher than 63.5 is (b) The probability that a random selected test-taker will score between 67.4 and 86.055 is (c) Eighty-four and 61/100 percent (8461...

  • The test-retest method is one way of establishing the reliability of a test. The test is...

    The test-retest method is one way of establishing the reliability of a test. The test is administered, and then, at a later date, the same test is re-administered to the same individuals. The correlation coefficient is computed between the two sets of scores. The following test scores were obtained in a test-retest situation. (Give your answers correct to two decimal places.) First Score 86 85 97 65 77 66 67 80 90 93 Second Score 79 73 60 62 80...

  • The test-retest method is one way of establishing the reliability of a test. The test is...

    The test-retest method is one way of establishing the reliability of a test. The test is administered, and then, at a later date, the same test is re-administered to the same individuals. The correlation coefficient is computed between the two sets of scores. The following test scores were obtained in a test-retest situation. (Round your answers to two decimal places.) First Score 75 87 60 75 98 80 68 84 47 72 Second Score 71 89 51 74 93 79...

  • The test-retest method is one way of establishing the reliability of a test. The test is...

    The test-retest method is one way of establishing the reliability of a test. The test is administered, and then, at a later date, the same test is re-administered to the same individuals. The correlation coefficient is computed between the two sets of scores. The following test scores were obtained in a test-retest situation. (Give your answers correct to two decimal places.) First Score 74 89 86 74 64 79 71 74 83 83 Second Score 54 75 77 87 83...

  • Scores on a 100-point final exam administered to all applied calculus classes at a large university are normally di...

    Scores on a 100-point final exam administered to all applied calculus classes at a large university are normally distributed with a mean of 69.3 and a standard deviation of 29.45. (a) What percentage of students taking the test had scores between 60 and 80? (Round your answer to one decimal place.) % (b) At what score was the rate of change of the probability density function for the scores a maximum? Scores on a 100-point final exam administered to all...

  • Scores on a certain test were normally distributed with a mean of 80 and a standard...

    Scores on a certain test were normally distributed with a mean of 80 and a standard deviation of ± 12. What is the probability that a given student got a score more than 80? Your answer should be correct to four decimal places.

  • Determine the average of test scores. When completing this question, remember the order of operations. Write...

    Determine the average of test scores. When completing this question, remember the order of operations. Write a program that calculates an average of five test scores. The output will display the average test score. Get the first test score. Get the second test score. Get the third test score. Get the fourth test score. Get the fifth test score. Calculate the average by adding 5 test scores and dividing the sum by 5. Display the average. Make sure you add...

  • One personality test available on the World Wide Web has a subsection designed to assess the...

    One personality test available on the World Wide Web has a subsection designed to assess the "honesty" of the test-taker. After taking the test and seeing your score for this subsection, you're interested in the mean score l among the general population on this subsection. The website reports that u is 145, but you believe that u is greater than 145. To do a statistical test, you choose a random sample of 100 people and have them take the personality...

  • Personnel Test The personnel department of a large manufacturing firm selected a random sample of 23...

    Personnel Test The personnel department of a large manufacturing firm selected a random sample of 23 workers. The workers were interviewed and given several tests. On the basis of the test results, the following variables were investigated: X2 = manual dexterity score, X3 = mental aptitude score, and X4 = personnel assessment score. Subsequently, the workers were observed in order to determine the average number of units of work completed (Y) in a given time period for each worker. Regression...

  • A certain test preparation course is designed to help students improve their scores on the GRE...

    A certain test preparation course is designed to help students improve their scores on the GRE exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course. The following measurements are the net change in 66 students' scores on the exam after completing the course: 9,8,9,4,11,89,8,9,4,11,8 Using these data, construct a 80%80% confidence interval for the average net change in a student's score after completing the course. Assume the population...

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