
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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IQ is
What should the minimum IQ score be so that 90% of all students in the area can qualify for admission?
How can I calculate this using Excel or by hand
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- Explain what would happen if Person A scored lower than the mean of 70. Give an example exam score for that and calculate how many standard deviations Person A is above or below the meanarrow_forwardOn the SAT, the average Writing score is 490 points and the average Math score is 547 points. The standard deviation is 89 points on each part of the test. Now suppose 61 test takes are selected. 14% of the time the sample average Math score should be less than what? (Round to four decimals)arrow_forwardplease help me answer this all. if i divided it it just became hard explain it. please i give a thumbs up. answer this.arrow_forward
- This problem is fill in the blank. Just choose the correct answers. Thank you for your help A psychologist is studying the self-image of smokers, as measured by the self-image (SI) score from a personality inventory. She would like to examine the mean SI score, μ, for the population of all smokers. Previously published studies have indicated that the mean SI score for the population of all smokers is 85 and that the standard deviation is 10, but the psychologist believes that the value for the mean has increased. She plans to perform a statistical test. She takes a random sample of SI scores for smokers and computes the sample mean to be 95. Based on this information, answer the questions below. 1. What are the null hypothesis (H0) and the alternative hypothesis (H1) that should be used for the test? H0: (choose one) less than, less than or equal to, greater than, greater than or equal to, equal to, or not equal to. (choose one) 85, 95, or 10. H1: (Choose one) less than,…arrow_forwardAccording to the U.S. Census, the average adult woman is the United States is 65 inches tall and the standard deviation is 3 inches. If Zsike is 67 inches tall, what is her z-score?arrow_forwardNeil scored 67 on his calculus class final and was devastated by his failing grade. His class distribution had a mean of 54 and a standard deviation of 7. Greg was quite proud of his score of 88 for his Spanish language class. His class distribution had a mean of 97 with a standard deviation of 6. Who did better relative to their class?arrow_forward
- Please discuss the concepts of Mean, Median, Mode, and Standard Deviation, including when each should be used, and evaluate the differences of each. How can knowing this information about data help us?arrow_forwardIF your mean is 832 and your standard deviation is 86, what values like in the 36% range?? How do you figure it out??arrow_forward
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