Other Bachelor Degree-Bachelor of Audiology and Speech Language Pathology 2nd Year Statistics and Research Methods & Epidemiology in Speech and Hearing(Kerala University of Health Sciences-2014)

      Speech Pathology 45 20 40 25 45
                     Audiology 48 35 17 23 47
Q.P.Code: 207015                                                    Reg. No.:.................... .
                 Second Year BASLP Degree Supplementary Examinations - June 2013
                Statistics and Research Methods & Epidemiology in Speech and Hearing

Time: 3 hrs                                                                                     Max marks :80

• Answer all questions

Essay: (4x10=40)

1. Define correlation. Calculate Pearson's correlation coefficient for the following data and interpret its meaning for the marks obtained by 5 students in speech pathology and audiology.
2. Explain how student's t test is used to test the significance of the difference between the means of two independent samples. Marks obtained by two groups of students are given. Calculate the t-value

FIRST GROUP              18 20 36 50 49 36 34 49 41
SECOND GROUP         29 28 26 35 30 41 46

3. What is the need for hypothesis in research. Discuss in detail, steps involved in research
4. Explain briefly about the incidence and prevalence of speech disorders

Short notes (5x5=25)

5. Method of construction of a histogram and a frequency polygon.
6. Skewness and Kurtiosis with diagrams
7. Type I and Type II errors in hypothesis testing
8. Non probability sampling methods.
9. Need for school screening to identify children with hearing loss

Answer briefly         (5x3 = 15)

10. Research designs
11. Measures of central tendencies
12.Standard deviation
13.Classification of data
14. Personal survey

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