University of Pune 2010 B.Pharm 1.7: Computer Applications and Bio-Statistics (2008 Pattern) - Question Paper

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First Year B. Pharmacy Examination, 2010
1.7: Computer Applications and Bio-Statistics (2008 Pattern)
Time: three Hours Max. Marks: 80
Instructions:
1) ques. Nos. one and five are compulsory. Out of the remaining attempt 2 ques. from part I and 2 ques. from part II.
2) Answers to the 2 parts should be written in separate books.
3) Neat diagram must be drawn whenever necessary.
4) Black figures to the right indicate full marks.

part – I
1.
A) compute the geometric mean of the salaries of workers provided below: [5]
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Salary (Rs.) 100-110 110-120 120-130 130-140 140-150 150-160
No. of Workers 14 16 30 20 15 5
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B) Draw a frequency polygon from the subsequent data: [4]
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Age 10-12 12-14 14-16 16-18 18-20 20-22 22-24
No. of Students four 10 16 30 20 14 6
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C) elaborate sampling and non sampling errors? [3]

2.
A) The median and mode of the subsequent distribution are 27 and 26. compute the missing frequency. [5]
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Class interval 0-10 10-20 20-30 30-40 40-50
Frequencies four ? 20 ? 8
B) compute standard deviation from the subsequent data: [5]
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Marks 0-10 10-20 20-30 30-40 40-50
No. of Students two four eight four 2
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C) describe "measure of dispersion". elaborate the requirements of a good measure of dispersion? [4]

3.
A) A bag contains eight white and four red balls. 5 balls are drawn at random. What is the probability that two of them are red and three white? [5]
B) Enlist various kinds of Non-Parametric tests. And provide the advantages of non-parametric tests [4]
C) compute the person correlation coefficient ranging from the ages of the plants and their heights.[5]
Age in week (x) one two three four five six 7
Height in cm. five 13 16 23 33 38 40
4.
A) In binomial distribution with six independent trials the probabilities of three and four successes are obtained to be 0.2457 and 0.0819 respectively. obtain the parameter p of the distribution. [4]
B) Write a short note on critical region. [5]
C) provided the subsequent data x =36 y =85 s x = 11 s y = eight and r = 0.66 obtain the regression formula and estimate x when y = 75. [5]

part – II
5.
A) How many computer generation have evolved until now? discuss every. [5]
B) describe subsequent terms: [4]
i) Compiler
ii) Interpreters
iii) RAM
iv) Software
C) Differentiate ranging from DOS and Unix Operating System. 3

6.
A) discuss the choice "Format" in MS-Word. 5
B) Convert (100111)2 binary number to its Octal equivalent. [4]
C) Which software is used for preparing presentation slides? discuss. [5]

7. A) State the steps to copy the contents of cell to a different cell. [4]
B) Write a short note on: [10]
i) Keyboard
ii) CD-ROM.

8.
A) describe Operating System. provide 3 example of any operating system. [5]
B) discuss multitasking ability of the windows. [4]
C) discuss the operations of mouse.

Earning:   Approval pending.