What is inferential biostatistics?
[3 marks]Explain the terms: Parameteric test and Non-parametric test.
[4 marks]Find the mean from the following data: Marks(X) : 5 10 15 20 25 30 35 40 No. Of Students (f) 5 7 9 10 8 6 3 :
[2 marks]Calculate the mode for the following data: 32,22,29,25,17,25,40.
[3 marks]The mean age of 40 students is 16 years and the mean age of another group of 60 students is 20 years. Find out the mean age of all of the 100 students combined together.
[4 marks]In a class following is the distribution of marks of 85 students.Calculate the modal class and mode of the following data: Marks 20- 25- 30- 35- 40- 45- 50- 55- (Grouped 25 30 35 40 45 50 55 60 data) : No. Of 5 7 8 18 25 12 7 Students (f)
[5 marks]Discuss computation of Poisson distribution.
[7 marks]Write down the importance of Dispersion.
[3 marks]Explain the terms: Standard deviation and mean deviation and when to use it?
[4 marks]Calculate mean deviation from the median for the following data: Flowers less 80 70 60 50 40 30 20 than : No. Of plants : 100 90 80 60 32 20 13
[5 marks]What is correlation? How you will show the bivariate distribution? Describe different types of correlation?
[3 marks]How will you compare the mean of more than two samples? What is the name of the test and how it is peformed?
[4 marks]Write a note on the advantages and disadvantages of nonparametric methods.
[7 marks]Write down the F-test and its assumptions.
[3 marks]How will you compare the mean of more than two samples? What is the name of this test and how it is performed?
[4 marks]Calculate mean deviation from mean values of the following data: Class interval 0-4 4-8 8-12 12-16 16-20 : Frequency : 4 6 8 5
[2 marks]Differentiate between correlation and regression.
[3 marks]By applying binomial theorem, the probability of having two males and two female children in a family of four children can be calculated as follows:
[4 marks]The study of effect of a pesticide in realtion to fish mortality on fish, Tilapia showed that the probability of their survival was 15%. If 25 batches of 5 fishes each were subjected to this experiment in how many batche 5 or less than 5 fishes would die?
[7 marks]Write down the assumption of ANOVA.
[3 marks]What is correlation? How you will show the bivariate distribution? Describe different types of correlation.
[4 marks]To calculate the Z-score for the value of 14 in the following data set:
[7 marks]Describe significance of chi-square distribution.
[3 marks]Aman and his wife appear for an interview for two vacancies. The probability of wife’s selection is 1/7 and that of husband’s selection is 1/5. What will be the probability that either one of them is selected?
[4 marks]Find the coefficient of correlation between the height of fathers and sons from the following data: Height of 65 66 67 68 69 70 71 fathers (X) : Height of 67 68 66 69 72 72 69 sons (Y) :
[7 marks]