1. Given the Frequency Distribution of the scores of 30 Grade 10learners in a Mathematics test. Illustrate Q3, D3, and P60.Class IntervalScoresFrequencyless than CumulativeFrequency()(

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Answered: 1. Given the Frequency Distribution of…

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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In the population, the mean SAT score is 1000. Would you be more likely (or equally likely) to get a sample mean of 1200 if you randomly sampled 10 students or if you randomly sampled 30 students? Explain.
what is the range for the following set of scores: 30,50,22,39,55?
Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in a class have red hair.
The highest score in a distribution is 74 and the lowest score is 51. What is the range?
which day did the students awnser the mean number of problems for the week?
A sample of 5 students were asked how much money they were carrying. These were their answers: $75, $2, $5, $0, $5. Why is the median more informative than the mean? The median is higher than the mean. O The mean is skewed by the outlier $75. O The mean is higher than the median. O The mean is skewed by the outlier $0.
Suppose 6 students take an exam, and the mean score is 82.5. Five of the student scores are as follows:95, 78, 85, 56, and 96. What is the sixth student’s score?
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
The scores on a statewide math exam were normally distributed with ?=74 and ?=8. What proportion of test-takers had a grade between 66 and 88 on the exam?
Find the five-number summary of the scores in the Math 130 test pre-sented in Table 4.1, page 112. Draw the boxplot.
In a psychology class, 40 students have a mean score of 89.5 on a test. Then 24 more students take the test and their mean score is 78.3.What is the mean score of all of these students together? Round to one decimal place.

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1. Given the Frequency Distribution of the scores of 30 Grade 10 learners in a Mathematics test. Illustrate Q3, D3, and P60.