Test A earned a Mean of 18, standard Deviation of 1.7 and my score was 20...
Test A earned a Mean of 18, standard Deviation of 1.7 and my score was 20
Test B earned a Mean of 45, standard Deviation of 4.2 and my score was 50.
Which results were better? I need help understanding the procedure to find the answer.
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Test A earned a Mean of 18, standard Deviation of 1.7 and my
score was 20...
In a normal distribution, the standard deviation is 20, what test score do you need to...
In a normal distribution, the standard deviation is 20, what test score do you need to be in the top 2.5%? please help no mean is given if there was one i wouldn't ask
assume that the mean of a distribution of test score is 400, with a standard deviation...
assume that the mean of a distribution of test score is 400, with a standard deviation of 45. What would be the value of the score that falls two standard deviations above the mean?
assume that the mean of a distribution of test score is 400, with a standard deviation...
assume that the mean of a distribution of test score is 400, with a standard deviation of 45. What would be the value of the score that falls two standard deviations above the mean?
11) Suppose the mean test score is 45 with a standard deviation of 9. What is...
11) Suppose the mean test score is 45 with a standard deviation of 9. What is the score which separates the top 3% from the bottom 97%?
5. A history test has a mean of 100 and a standard deviation of 10. Find...
5. A history test has a mean of 100 and a standard deviation of 10. Find the z-score for the test score 130. (5 points) Gientb, ind the allovings (5 points each) 18 27 21 42 38 25 30 35 17 40 28 20 a. The percentile rank of 28. b. The score that corresponds 80* percentile. 7. (10 points each) a. Given the data below , Use the b. Construct the box plot of the data outliner procedure to...
The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20
1.The distribution of results from a cholesterol test has a mean of 180 and a standard deviation of 20. A sample size of 40 is drawn randomly. Find the probability that the sum of the 40 values is greater than 7,400. (Round your answer to four decimal places.) 2.A researcher measures the amount of sugar in several cans of the same soda. The mean is 39.01 with a standard deviation of 0.5. The researcher randomly selects a sample of 100. Find the sum...
A population is normally distributed with mean 17.8 and standard deviation 1.7. (a) Find the intervals...
A population is normally distributed with mean 17.8 and standard deviation 1.7. (a) Find the intervals representing one, two, and three standard deviations of the mean. one standard deviation Correct: Your answer is correct. (smaller value) Correct: Your answer is correct. (larger value) two standard deviations Correct: Your answer is correct. (smaller value) Correct: Your answer is correct. (larger value) three standard deviations Correct: Your answer is correct. (smaller value) Correct: Your answer is correct. (larger value) (b) What percent...
Part A. Score on 25 point test is normally distributed with mean 22 and standard deviation...
Part A. Score on 25 point test is normally distributed with mean 22 and standard deviation 5. You took a sample of 9 students. The mean for this group is 19.111111 Test the hypothesis that the performance of this group is different than the regular group. Use α=.05. What is the alternative hypothesis? What is the rejection region? Calculated z What is your decision? Yes or no? You believe that the group from an honors and would perform better than...
On a test at Microsoft, which has a mean of 500 and a standard deviation of...
On a test at Microsoft, which has a mean of 500 and a standard deviation of 100, only the top 2% of the test takers will get an interview with Bill Gates. What score or better will they have to earn on this test to get the interview? Please show the work. I can use excel so if you could explain how to do it in there, that would be even better! :)
3. On one I.Q. test, the mean score (µ) is 100 and the population standard deviation...
3. On one I.Q. test, the mean score (µ) is 100 and the population standard deviation (σ) is 15. A sample of 50 scores is selected from a very large population. Find the probability that the mean of the sample group is more than 103.
5. A history test has a mean of 100 and a standard deviation of 10. Find the z-score for the test score 130. (5 points) Gientb, ind the allovings (5 points each) 18 27 21 42 38 25 30 35 17 40 28 20 a. The percentile rank of 28. b. The score that corresponds 80* percentile. 7. (10 points each) a. Given the data below , Use the b. Construct the box plot of the data outliner procedure to...
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