n which test did she perform better?
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- Ava scored a 92 on a test with a mean of 71 and a standard deviation of 15. Charlotte scored a 688 on a test with a mean of 493 and a standard deviation of 150. What score would I have to get on a test with a mean of 85 and a standarddeviation of 15 to have the best score out of the three of us?Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below. Pierce got a score of 71.5; this version has a mean of 62.5 and a standard deviation of 15. Vincent got a score of 309.2; this version has a mean of 294 and a standard deviation of 19. Norma got a score of 7.96; this version has a mean of 7.2 and a standard deviation of 0.4. If the company has only one position to fill and prefers to fill it with the applicant who performed best on the aptitude test, which of applicants should be offered the job?Students taking the Graduate Management Aptitude Test averaged 812 with a standard deviation of 145. Only those in the top 20 percent can apply for a particular scholarship. Gus Genius received a 900 on the test. Can he apply?
- Please solve using RCO LO Translate Mikayla and April began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Mikayla took a test in Science and earned a 78.6, and April took a test in English and earned a 61.3. Use the fact that all the students' test grades in the Science class had a mean of 75.6 and a standard deviation of 11.8, and all the students' test grades in English had a mean of 65.3 and a standard deviation of 9.6 to answer the following questions. a) Calculate the z-score for Mikayla's test grade. [Round your answer to two decimal places.] 三2 b) Calculate the z-score for April's test grade. [Round your answer to two decimal places,] 三2 c) Which person did relatively better? Mikayla O April O They did equally well. Submit Question 52°F Clou +56 五。 OrThe mean grade for chemistry exam was 76% with a standard deviation of 6%.the mean grade for statistics exam was 81% with a standard deviation of 2%.Jason got an 83% on both exams.which one did he do relatively better on?
- Debbie scored 71 points on her history test. The mean was 65 points and the standard deviation was 3 points. Harry scored 85 points on his architecture test. The mean was 70 points and the standard deviation was 10 points. Who scored relatively better on their test?The year Lamar graduated college, he got a job as an entry-level software engineer working for a firm in the United States. His starting salary was $93,500. For the year Lamar graduated, the starting salaries of all entry-level software engineers in the United States had a mean of $90,000 and a standard deviation of $3300. Find the Z-score of Lamar's starting salary relative to the starting salaries among all the entry-level software engineers in the United States for the year Lamar graduated. Round your answer to two decimal places. z= 0 كTanya takes her Physics test and is told that her Z-score is 3.10. If the class mean was 75 and the standard deviation 5, what was Tanya's raw score?
- An incoming MBA student took placement exams in mathematics and economics. In economics, she scored 81 and in mathematics 88. The overall results on the economics exam had a mean of 74 and a standard deviation of 7, while the mean mathematics score was 69, with a standard deviation of 20. Using z-scores, on which exam did she do better compared with the other students? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Mathematics b Economics Same for both I cannot determine this based upon the information provided.f. The Z-scores of four students on an algebra test are given. If the mean of the test was 82 and the standard deviation was 8, find each students test grade. i. Elena's Z-score is –1.4 ii. Regina's Z-score is 1.5 iii. Ronnie's Z-score is 1 iv. Mario's Z-score is –2.5What would a histogram look like if the mean is 50 the median is 50 and the standard deviation is 1.6?
