Jawaharlal Nehru Technological University Kakinada 2010-1st Sem B.Pharm II BPharmacyRegular , ember- Statistical Methods and Computer Applications - Question Paper

B. Pharm (JNTU-K)
II B. Pharmacy 1st Semester Regular Examination, November- 2010
Statistical Methods and Computer Applications

Time: three Hours Max. Marks: 80

Note: 1) ans any 5 ques. from the subsequent.
2) All ques. carry equal marks.

Ques one a) obtain the standard deviation by step deviation method for the subsequent data on the age of patients suffering from pulmonary disease.

Age in years 0-10 10-20 20-30 30-40 40-50 50-60 60-70
No. of Patients 6 14 10 8 1 3 8

Ques one b) A businessman goes to hotels X, Y, Z 20%, 50%, 30% of the time respectively. It is known that 5%, 4%, 8% of the rooms in X, Y, Z hotels have faulty plumbing.
i) Determine the probability that the businessman goes to hotel with faulty plumbing.
ii) What is the probability that businessman's room having faulty plumbing is assigned to hotel Z?

Ques 2) a) Determine lowest squares regression line of:
i) y on x
ii) x on y, on subsequent data
x 12 10 14 11 12 9
y 18 17 23 19 20 15

Ques two b) compute the rank correlation coefficient ranging from the heights of fathers and sons from the provided data:

Height of fathers (in inches): 64 65 66 67 68 69 70
Height of sons (in inches): 66 67 65 68 70 68 72

Ques 3) 4 salesmen were posted in various areas by a company. The number of units of commodity X sold by them are as follows:
A 20 23 28 29
B 25 32 30 21
C 23 28 35 18
D 15 21 19 25
On the basis of this information, can it be concluded that there is a significant difference in the performance of the 4 salesmen?

Ques four a) Write the short notes on the following:
i) Randomized block design
ii) Completely randomized block design
Ques four b) The subsequent data indicates the value of the sample mean x and the range R for 10 samples for size six every. compute the values for central line and the control limits for Mean-chart and Range-chart.

Sample No: 1 2 3 4 5 6 7 8 9 10
Mean 43 49 37 44 45 37 51 46 43 47
Range 5 6 5 7 7 4 8 6 4 6

Ques five a) Write a short notes on history of computers
Ques five b) discuss the following:
i) High level languages
ii) Machine level language
iii) Assembly language

Ques six a) elaborate the advantages and disadvantages in DBMS discuss with suitable example.
Ques six b) Write an algorithm and flow chart to obtain Fibonacci sequence.

Ques seven a) Write the difference ranging from the keywords and identifiers. provide 2 examples for every.
Ques seven b) Explain:
i) Logical operator
ii) Relational operators
iii) Conditional operators

Quest eight a) discuss how computers are used in pharmaceutical industries.
Ques eight b) what are with neat diagram how mobile computing system in used in clinical exam.

Earning:   Approval pending.