ProfilesTabWindowHelpThu MaURSE PACKET [10-22-19]+COURSE%20PACKET%20[10-22-19]%20(2).pdf205 / 234111%+d.More than one is correct17. For an exam with a mean of M = 74 and a standard deviation ofs = 8, Mary has a score of X = 80, Bob's score correspondsto z =1.50, and Sue's score is located above the mean by 10 points. What is the order of these three people from lowestto highest z-sco, e?a. Mary, Sue, Bobob, Sue, MarySue, Bob, Maryd. Sue, Mary, Bobb.C.18. On a hypothesis test - any kind of hypothesis test, regardless of if it's a t-test, ANOVA, correlation, chi-square, or other -what does the null hypothesis basically say?Some difference, preference, or effect in the sampleb. No difference, preference, or effect in the sampleSome difference, preference, or effect in the populationd. No difference, preference, or effect in the populationa.с.

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Answered: 17. For an exam with a mean of M = 74…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose 6 students take an exam, and the mean score is 82.5. Five of the student scores are as follows:95, 78, 85, 56, and 96. What is the sixth student’s score?
Suppose that the mean score of a class of 34 students was 78. The 17 male students in the class had a mean score of 62. What was the mean score for the 17 female students?
5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70 inches and standarad diviation of 4 inches, COmpute the T scores for 68 inches and 76 inches.
43. Harvey found that his z-score on a college readiness test, compared to others who took the same test was 1.25. Which of the following best describes how you might interpret this value? Only 1.25% of the people taking the test have scores higher than Harvey. Harvey's score was 1.25 times the mean score of all people taking the test. Hervey scored 1.25 points above the mean of all people taking the test. Harvey's score was 1.25 standard deviations from above the mean of all people taking the test.
14. The range is defined as the: a. variability of the data with reference to extreme scores. b. the variability of the data with reference to the mean. c. variability of the data in terms of how many subjects achieved each value of the variable. d. SS/n
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?
38. The average IQ score for adults is 100 with a standard deviation of 15. Assume that the distribution of IQ scores is approximately normal. a. Find the percentage of adults who have an IQ score less than 90. b. Find the percentage of adults who have an IQ score which exceeds the mean by at least 15 points. e. Find the percentage of adults who have an IQ score between 100 and 120. d. Find the percentage of adults who have an IQ score less than 55 or more than 145.
16. The mean score of 15 male students taking an economics test is 74 and the mean score of 12 female students taking the same test is 77. The combined mean score of 27 male and female students is: a. 74.67 b. 77.33 c. 75.33 d. 75.67
1. The first decile is the A. 2nd quartile 2. It divides the data into a lower half and an upper half. C. 50th percentile D. 4th quartile B. 10th percentile A. Median B. Upper Quartile C. Lower Quartile D. Upper Decile 3. Find the median of the following numbers. 12, 5, 22, 30, 7, 36, 14, 42, 15, 53, 25 A. 36 В. 30 С. 22 D. 15 4. Which percentile is equivalent to the first quartile? A. 25th В. 50th C. 75th D. 100th 5. Which percentile is equivalent to the 5th decile? A. 25th В. 50th C. 75th D. 100th 6. Which measures of position divides the data into 4 parts? A. decile B. quartile C. percentile D. median 7. The following values are the ages of 15 students in a statistics class: 18 18 19 21 21 21 21 23 23 24 24 25 26 27 28 What is the 25th percentile? A. 18 В. 23 С. 21 D. 24 For items 8 to 11, consider the score distribution of 20 students given below 53 74 82 42 39 20 81 68 58 28 67 54 93 70 30 55 36 37 29 61 8. What is the lower quartile score? В. 30.25 A. 29.25 C. 36.25 D. 37.25 9.…

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