**Example 1:** A survey conducted with 80 randomly selected (r/s) California State University students reveals that 52 of them are employed. In a separate survey of 40 University of California students, it is found that 20 are employed. Construct a 95% confidence interval (c.i.) for the difference between the overall employment percentage of CSU students and UC students.

It is given that For sample 1: Favourable cases, X1 = 52 Sample size, n1 = 80 For sample 2:…

Answered: x. 1 A survey of 80 r/s California…

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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18. Which statement is true about the quartile and percentile? A. The median is the 50th percentile, and it is the 3rd quartile that separates the bottom 50% from the top 50% of scores of a dataset. B. The first quartile is the 25th percentile, which separates the bottom 25% from the upper 75% scores of a dataset. C. The 4th quartile is the 75th percentile that separates the bottom 75% from the top 25% scores of a dataset. D. Answers A, B, C, and D are correct. E) Answers A and B are correct. 19. Which statement is true about the classes of a group frequency distribution of a dataset? A. Classes of a group frequency distribution of an overlapped discrete dataset are unsuitable for making a histogram. B. Nominal datasets are suitable for making classes of group frequency distribution. C. Classes of a group frequency distribution of none overlapped discrete dataset could be overlapped by subtracting 0.5 from the lower-class limits and adding 0.5 from the upper-class limits. D. In…
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Find the four averages using the data for “Race Time” on the force.
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x. 1 A survey of 80 r/s California State University students indicates that 52 of them work. An independent survey of 40 University of California students indicates that 20 of them work. Construct a 95% c.i. for the difference between the overall percent of CSU students who work and the UC percent.