JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B. Pharmacy IV BIOSTATISTICS AND RESEARCH METHODOLOGY Previous Question Paper (July - 2023 - R17)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Define the term Median and Mode.
Answer
Median is the middle value of a data set when the observations are arranged in ascending or descending order. Mode is the value that appears most frequently in a given data set.
List out the methods for presentation of statistical data.
Answer
- Tabular presentation
- Diagrammatic presentation (Bar charts, Pie charts)
- Graphical presentation (Histograms, Frequency polygons, Ogive curves)
What is the difference between null and alternative hypothesis?
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What is paired t-test and unpaired t-test?
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Enumerate the important non-parametric tests.
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Write a note on the need for research.
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List out the important problems encountered in clinical trials.
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List out the important application of MINITAB.
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What is 2^3 design?
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List out the importance of central composite design.
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Part B
Find out the Pearson's correlation coefficient for the following data and comment on the computed correlation coefficient value.
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Calculate the S.D for the following distribution.
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Write a note on the steps involved in the computation of regression equation fitting the lines y = a + bx and x = a + by.
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An IQ test was administered to 5 persons before and after they are trained. Test whether any change in IQ after training programme. It is given that t0.01 = 4.6 for df 4.
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Designing of clinical trials.
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Plagiarism.
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Discuss the construction and labeling of pie charts, response surface plot and cubic graph.
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Summarize in detail the role of online statistical software’s in Clinical trial approach.
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Explain the basic tools in SPSS software and SAS.
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Historical design.
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Advantages and disadvantages of response surface methodology.
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Summarize in detail the importance and applications of various factorial designs and response surface methodologies in Pharmacy.
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