(a) An awareness questionnaire (50 items with one score for each item) on COVID 19 was administered amongrandom samples of Diploma students in City A and City B. The data are given below. Find out whether thereexists significant difference among the students of two cities with regard to COVID 19 awareness.(At x = 0.05).Sample Size (N)Mean ScoreS.DCity A30043.806.20City B24037.256.50(b)Ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours, andthe population variance was 0.6084 hour. Find the 90% confidence interval of the mean time. Assumethe variable is normally distributed.

Ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours, and the population variance was 0.6084 hour. Find the 90% confidence interval of the mean time. Assume the variable is normally distributed.

Ten randomly selected people were asked how long they slept at night. The mean time was 7.1 hours, and the population variance was 0.6084 hour. Find the 90% confidence interval of the mean time. Assume the variable is normally distributed.

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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