Standardized tests: In a particular year, the mean score on the ACT test was 23.7 and the standard deviation was 6.2. Themean score on the SAT mathematics test was 523 and the standard deviation was 116. The distributions of both scores wereapproximately bell-shaped. Round the answers to at least two decimal places.Part: 0 / 4Part 1 of 4(a) Find the z-score for an ACT score of 29.The 2-score for an ACT score of 29 is▸ⒸE!da

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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Cameron had a score of 41 on a physics test. Originally, the mean score was 36 and standard deviation was 2. The professor decides to curve the test so that the new mean is 80 and the new standard deviation is 5. What is Cameron’s new score? Hint: See the last few Z-score lecture slides
Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... 85 110 A graph with a bell-shaped curve, divided into 3 regions by 2 lines from top to bottom, one on the left side and one on the right side. The region between the lines is shaded. Moving from left to right, the x-axis below the first line is labeled 85. The x-axis below the second line is labeled 110. Question content area bottom Part 1 The area of the shaded region is enter your response here. (Round to four decimal places as needed.)
Standardized tests: In a particular year, the mean score on the ACT test was 19.7 and the standard deviation was 4.2. The mean score on the SAT mathematics test was 518 and the standard deviation was 103. The distributions of both scores were approximately bell-shaped. Round the answers to at least two decimal places. Find the z-score for an ACT score of 23. Find the z-score for a SAT score of 466.
The mean is 146 and the standard deviation is 35. A score of 41 is how many z-scores below the mean?
One of the z-score formulas will help on this question. Scores on the SAT test are normally distributed with a mean of 500 and standard deviation of 100 points. Pretend someone scored 400 on the math portion of the SAT test. What would be the z-score cut off for this score? A. 1.0 B. -1.0 C. 0 D. 2.0
Tom scored a 115 on a measure of math ability and a 40 on a measure of verbal ability. The means and standard deviations on the measure of math ability and verbal ability are M = 95, s = 15 and M = 35, s = 2.95, respectively. In which area did Tom do better?
The mean of the GRE psychology subject test is 619 (out of 990). The standard deviation is 109. (a) Find the first and third quartiles. Round your answers to the nearest tenth. The first quartile is Answer . The third quartile is Answer (b) What percentage of takers scored between 510 and 728? Answer % (c) What percentage of takers scored between 401 and 619? Answer % (d) What percentage of takers scored above 728? Answer % (e) Suppose I got a 590 on the test. What is my z-score (round to the nearest hundredth)? Answer
Jerome made a grade of 89.7 on his test. The mean of the test scores was 71.4 with a standard deviation of 6.8. In what top percent can Jerome say he is, based on the tes
The mean score on the ACT test was 19.3 and the standard deviation was 5.4. The distributions of scores was approximately bell-shaped. Compute the z-score for an ACT test score of 15. Write only a number as your answer. Round your answer to two decimal places (for example: 3.15).
There are two major tests of readiness for college, the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores is approximately Normal with mean = 21.5 and standard deviation = 5.4. SAT Scores are reported on a scale from 600 to 2400. The distribution of SAT scores is approximately Normal with mean = 1498 and standard deviation = 316. (b) Joshua scores 17 on the ACT. Anthony scores 1030 on the SAT. Assuming both tests measure the same thing, who has the higher score? Report both z-scores. (c) What is the purpose of finding the z-scores for both the ACT and SAT scores?

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