FIRST YEAR B. PHARM. EXAMINATION
PAPER V - BIOSTATISTICS AND COMPUTER APPLICATIONS
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Time: Three hours Maximum: 100 Marks
Answer Section A and B in SEPARATE Answer Book.
SECTION - A
(BIOSTATISTICS)
I. Elaborate on: (1x20=20)
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- a) Find the coefficient of variation for the following data.
CI: 10-20 20-30 30-40 40-50 50-60 60-70
F : 10 15 32 40 22 18
b) Calculate Mean and Median from following data:
Class Internal 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Frequency 10 20 35 40 25 25 15
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II. Write notes on: (4x5=20)
- A person is known to hit a target 3 out of 4 shots where as another person is known to hit the same target 2 out of 3 shots. Find the probability of the target being hit when they both try.
- Following are the rank obtained by 5 students in computer and statistics. Calculate pearman’s rank correlation coefficient.
Computer: 5 2 1 4 3
Statistics : 4 3 5 1 2 - Write about the most commonly used graphs.
- Write a note on measures of central tendency.
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III. Short answers on: (5x2=10)
- Harmonic mean
- Classification
- Pie diagram
- Variance
- Define Averages
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SECTION -B
(COMPUTER APPLICATION)
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I. Elaborate on: (1x20=20)
- Draw the block diagram of a computer and explain the functions of various units.
II. Write notes on: (4x5=20)
- Write a note on memory.
- Explain the types of computer.
- Write about the OPERATORS available in C language.
- Write about the conditional statements.
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III. Short answers on: (5x2=10)
- Keyword
- Ethernet
- Array
- EPROM
- MICR
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