What I Can DoDirections: Analyze the problem below by providing a comprehensive answerfrom the given question. Write the complete solution on your answer sheets.1. The mean score and the standard deviation in the Statistics test arerespectively equal to 80 and 2.5, whereas in the Mathematics test the meanscore is 70 and the standard deviation is 2. If Liza got a score of 85 in Statisticsand a score or 75 in Mathematics in which subject is her standing betterassuming normality in both subjects?22

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Answered: What I Can Do Directions: Analyze the…

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 that the mean score of a class of 34 students was 79. The 15 male students in the class had a mean score of 62. What was the mean score for the 19 female students? Mean Score for Female Students = preview answers
Someone tells you that the mean score on a test was 85, and the standard deviation was -10. What does this mean? A. Need more information to answer this question B. The most common score was 75. C. A majority of the class scored less than 85. D. This is not possible. Standard deviation cannot be negative.
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Scores on a mathematics assessment test for eighth-graders have a mean of 284, a 10th percentile of 232, a 25th percentile of 256, a 75th percentile of 310, and a 90th percentile of 328. Interpret each of these numerical descriptive measures. Interpret the mean value of 284. Choose the correct answer below. OA. For this problem, the mean value of 284 represents the average test score on a mathematics assessment test for eighth-graders B. For this problem, the mean value of 284 represents the middle test score when the scores are arranged in ascending (or descending) order OC. For this problem, the mean value of 284 represents the variation in the test scores on a mathematics assessment test for eighth-graders D. For this problem, the mean value of 284 represents the range of test scores on a mathematics assessment test for eighth-graders
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Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?
There are two national college-entrance examinations, the scholastic aptitude test (SAT) and the American College Testing program (ACT). Scores on the SATs are approximately normal with mean 500 and standard deviation 100. Scores on the ACTs are approximately normal with mean 18 and standard deviation 6. Use the links provided for the Normal (Links to an external site.)calculator and the Inverse Normal (Links to an external site.) calculator to help complete the problems, you do not need to do any work out by hand. (instructions on how to use these calculators can be found in the week 5 star on the home page) a) What percent of all SAT scores are above 600? b) Which is the greater accomplishment, scoring 630 on the SAT or 22 on the ACT ? Explain your reasoning for your choice. c) How high a score in the SAT is needed to place in the top 2.5%.
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Please awnser following question 2. An overbearing mother recorded the number of minutes her daughter spentexercising over 4 days. Here are the number of minutes per day:2, 9, 14, 15a. Write out the formula for: mean of xb. Use the formula to evaluate mean of x, by plugging in the values and manually carrying outthe calculation.c. Write out the formula for standard deviation. Please solve a, b and c

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