Answered: A sample of midterm grades for five…

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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A sample of midterm grades for five students showed the following results: 75, 68, 85, 93, 79. Which of the following statements are correct, and which should be challenged as being too generalized?

(a)

The average midterm grade for the sample of five students is 80.

(b)

The average midterm grade for all students who took the exam is 80.

(c)

An estimate of the average midterm grade for all students who took the exam is 80.

(d)

More than half of the students who take this exam will score between 73 and 88.

(e)

If five other students are included in the sample, their grades will be between 68 and 93.

Which of the above statements are correct? (Select all that apply.)

The average midterm grade for the sample of five students is 80.The average midterm grade for all students who took the exam is 80.An estimate of the average midterm grade for all students who took the exam is 80.More than half of the students who take this exam will score between 73 and 88.If five other students are included in the sample, their grades will be between 68 and 93.

Which of the above statements should be challenged as being too generalized? (Select all that apply.)

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