Download B.Pharm 1st Year 2015 August 564255 Biostatistics And Computer Applications Question Paper

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[LH 4255] AUGUST 2015 Sub. Code: 4255

B.PHARM. DEGREE EXAMINATION

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FIRST YEAR

PAPER V — BIOSTATISTICS AND COMPUTER APPLICATIONS

Q.P. Code: 564255

Time : Three Hours Maximum : 100 marks

Answer Section A and B in SEPARATE Answer Book.

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SECTION - A (BIOSTATISTICS)

1. Essay: (1x20=20)
   1. Calculate correlation coefficient and regression coefficient for following data:

   X	2	4	6	8	10	12	14
   Y	4	2	5	10	4	11	12

2. Short notes : (4x5=20)
   1. In an examination five students obtained following score in computer science. 5,7,9,13,16 Find Standard Deviation.
   2. Discuss the different methods of sampling. Explain their merits.

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   3. What is an Ogive or a cumulative frequency curve? Explain with example.
   4. Calculate the mean from the following data:

   X	10	12	13	18	19	20	19	30
   Y	8	12	6	3	19	13	17	4

3. Short answers: (5x2=10)
   1. Define Standard Deviation.
   2. Define Regression.

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   3. Define frequency polygon.
   4. Exhaustive event.
   5. Define Dispersion.

SECTION:-B (COMPUTER APPLICATIONS)

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1. Essay: (1x20=20)
   1. a) Explain various types of networks, network topology. b) Explain scanf and printf functions.
2. Short notes : (4x5=20)
   1. Explain different paragraph formatting in MS WORD
   2. Explain any five string manipulation functions in C.
   3. With a neat diagram explain the Basic Components of Computers.

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   4. Explain different types of memories.
3. Short answers: (5x2=10)
   1. List any four MS DOS Commands.
   2. Keyboard shortcuts for Bold, Italics, underline and Print in MS WORD
   3. Define Compiler

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   4. Define Identifier?
   5. Define virus.

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