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10 points. Calculate the first and third quartile scores for this exam. Hints - • The first quartile is the 25th percentile; you need to find the score in which you've reached 25% of the data (the area to the left of this point is 0.25). • The third quartile is the 75th percentile; you need to find the score in which you've reached 75% of the data (the area to the left of this point is 0.75).

10 points. Calculate the first and third quartile scores for this exam. Hints - • The first quartile is the 25th percentile; you need to find the score in which you've reached 25% of the data (the area to the left of this point is 0.25). • The third quartile is the 75th percentile; you need to find the score in which you've reached 75% of the data (the area to the left of this point is 0.75).

MATLAB: An Introduction with Applications
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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1. The national verbal scores on an exam was normal distributed with a mean of 452 and a standard deviation of 83. Approximately what percent of those taking this test had verbal scores higher than 618? 2. The scores on an exam have an approximate normal distribution with a mean of 80 points and standard deviation of 10 points. Calculate the first and third quartile scores for this exam. Hints - The first quartile is the 25th percentile; you need to find the score in which you've reached 25% of the data (the area to the left of this point is 0.25). • The third quartile is the 75th percentile; you need to find the score in which you've reached 75% of the data (the area to the left of this point is 0.75).
Transcribed Image Text:1. The national verbal scores on an exam was normal distributed with a mean of 452 and a standard deviation of 83. Approximately what percent of those taking this test had verbal scores higher than 618? 2. The scores on an exam have an approximate normal distribution with a mean of 80 points and standard deviation of 10 points. Calculate the first and third quartile scores for this exam. Hints - The first quartile is the 25th percentile; you need to find the score in which you've reached 25% of the data (the area to the left of this point is 0.25). • The third quartile is the 75th percentile; you need to find the score in which you've reached 75% of the data (the area to the left of this point is 0.75).
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