令ll 90%■11:30A project company hired 1000 casualemployees to undertake a major housingproject. On average (daily basis) theseworkers take 8 hours to complete a given taskwith a s.d deviation of 2 hours. If completiontime is normally distributed, determine theno. of workers who completed the task in:-а.More than 13.5 hours1i. Between 6.5 hours and 14.5 hoursii. Between 2.5 hours and 5.8 hoursBetween 14.4 hours and 14.8 hoursFrom the following data of marksobtained by 12 students in Research andStatistics, calculate the correlation coefficientb.by the Spearman rank correlation methodand comment on the result.Marks in Research:53 65 70 6853 69 77 65 29 65 77 53Marks in Statistics:505055 5358 78 70 48 50 63 68 52BIIIII

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A project company hired 1000 casual employees to undertake a major housing project. On average (daily basis) these workers take 8 hours to complete a given task with a s.d deviation of 2 hours. If completion а. time is normally distributed, determine the no. of workers who completed the task in:- More than 13.5 hours Between 6.5 hours and 14.5 hours Between 2.5 hours and 5.8 hours iv. Between 14.4 hours and 14.8 hours

A project company hired 1000 casual employees to undertake a major housing project. On average (daily basis) these workers take 8 hours to complete a given task with a s.d deviation of 2 hours. If completion а. time is normally distributed, determine the no. of workers who completed the task in:- More than 13.5 hours Between 6.5 hours and 14.5 hours Between 2.5 hours and 5.8 hours iv. Between 14.4 hours and 14.8 hours

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

令ll 90%■11:30
A project company hired 1000 casual
employees to undertake a major housing
project. On average (daily basis) these
workers take 8 hours to complete a given task
with a s.d deviation of 2 hours. If completion
time is normally distributed, determine the
no. of workers who completed the task in:-
а.
More than 13.5 hours
1i. Between 6.5 hours and 14.5 hours
ii. Between 2.5 hours and 5.8 hours
Between 14.4 hours and 14.8 hours
From the following data of marks
obtained by 12 students in Research and
Statistics, calculate the correlation coefficient
b.
by the Spearman rank correlation method
and comment on the result.
Marks in Research:
53 65 70 68
53 69 77 65 29 65 77 53
Marks in Statistics:
50
50
55 53
58 78 70 48 50 63 68 52
B
I
II
II

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