Khan

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University of Central Punjab Faculty of Management Studies Assignment 02 (Summer-2012)
Course Title: Business Statistics
Course Code: (QM2013) Section: A Resource person: Prof. M Aslam Javed. Program: BBA/BSIS/BSSS/MBA Marks: 10 Submission Date: Sep. 01, 2012

Name: ______________________________

Registration Number: _________________

Question 1:
The marks obtained by 12 students in December test (X) and promotion test (Y) are given below: Student 1 2 3 4 5 6 7 8 9 10 11 12 X 41 45 50 68 47 77 90 100 80 100 40 43 Y 60 63 60 48 85 56 53 91 74 98 65 43 a) Estimate the marks in the promotion test (Y) if a student who was sick obtained 60 marks in the December test (X)? b) If a student, who migrated after the December test, obtained 75 marks in the promotion test (Y), estimate his marks in December test (X), had he been admitted earlier?

Question 2:
A bulb manufactured company has a mean life time of 700 hours with a standard deviation of 60 hours. Find probability that in random sample of 16 tubes taken out from group have a mean life of between 690 and 710 hours? Has more than 720 hours?

Question 3:
The masses of 1400 balls are normally distributed with a mean of 21.40 grams and standard deviation of 0.048 grams of 250 random samples of size 34 are drawn from population. Determine the expected mean and standard error of sampling distribution of mean if sampling is done with and without replacement?

Question 4:
A study was made on the amount of converted sugar in a certain process at various temperatures. The data were coded and recorded as follows: Temp 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 Conv 8.1 7.8 8.5 9.8 9.5 8.9 8.6 10.2 9.3 9.2 10.5 Sugar Find the equation of regression line, Coefficient of correlation and Coefficient of determination.

Question 5:
A population contains 2,3,6,8. Consider all possible samples of size 2 that can…...

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Kubla Khan

...Kubla Khan Kubla Khan is one of the strangest, greatest and most ambiguous poems that I've ever read. This romantic poem is written by Coleridge, and through it, he shows the power of imagination that results in the importance of poetry as an art. The poem has the most significant romantic characteristics: nature, imagination and supernaturalism. The mother is everything for everyone, and nature, considered as the great mother by the romantics, is everything for Coleridge and other romantic poets. The poem takes place in nature in which Kubla Khan builds his dome of rock. The poet describes a wild nature showed by the sacred river that is measureless and sunless and the forests, the hills and the eternal spring. This beautiful nature is no more when it's touched by humans. When Kubla Khan ordered to build the dome, humans begin to corrupt every natural element there and to mix it with artificial one. When the natural place is distorted by humans, we find the poet describing the place as enchanted, and introducing a woman wailing for her demon-love. All these frightened scenes described in the poem have something to do with the corruption man causes to nature. Romantic poets would be nothing without imagination. Imagination is the power that distinguishes the romantic poets from others. The two kinds of imagination is found here in the poem. The primary imagination is the foundation on which the author based his poem. The action of Kubla Khan ordering...

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