FMS 102 CBT PRACTICE TEST

1. Rank the score of 5 in the following set of scores:

9, 3, 5, 10, 8, 5, 9, 7, 3, 4

2. Find the median of the set of numbers: 1,2,3,4,5,6,7,8,9 and 10.

3. When the regression line passes through the origin then

4. In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?

5. Copy - How much variance has been explained by a correlation of .9?

6. The discrete probability distribution in which the outcome is very small with a very small period of time is classified as

7. Copy - If ‘X’ is a random variable, taking values ‘x’, probability of success and failure being ‘p’ and ‘q’ respectively and ‘n’ trials being conducted, then what is the probability that ‘X’ takes values ‘x’? Use Binomial Distribution

8. Copy - Find the mean and median of the given data set.

57, 65, 72, 66, 55, 57, 58, 57, 62

9. A correlation of .7 was found between time spent studying and percentage on an exam. What is the proportion of variance in exam scores that can be explained by time spent studying

10. Let X be the number of heads obtained in 40 independent tosses of a fair coin. Then X is a Binomial random variable with

11. Copy - The following numbers represent the ages of people on a bus: 3, 6, 27, 13, 6, 8, 12, 20, 5, 10. Calculate their mean of their ages.

12. The probability of an impossible event is ____

13. In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green

14. These numbers are taken from the number of people that attended a particular church every Friday for 7 weeks: 62, 18, 39, 13, 16, 37, 25. Find the mean

15. Significance for the coefficients (b) is determined by

16. Normal Distribution is applied for ___________

17. How much variance has been explained by a correlation of .9?

18. The following represents age distribution of students in an elementary class. Find the mode of the values: 7, 9, 10, 13, 11, 7, 9, 19, 12, 11, 9, 7, 9, 10, 11.

19. In Normal distribution, the highest value of ordinate occurs at ___________

20. In Standard normal distribution, the value of median is ___________

21. Which of the following is not an assumption for simple linear regression?

22. Copy - The probability of an impossible event is ____

23. Copy -

A perfect negative correlation is signified by

24. A deck of 52 cards has four suits: hearts, spades, diamonds, and clubs. There are 13 cards in each suit. You draw one card at random from the deck. What is the probability it's a heart?

25. Copy - In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?

26. f the number of trials are 8 and the probability of success are 0.65 then the mean of negative probability distribution is

27. Continuous predictors influence the ______ of the regression line, while categorical predictors influence the _____________.

28. A die is rolled. What is the probability of getting an even number?

29.

A perfect negative correlation is signified by

30. An investigator reports that the arithmetic mean of two regression coefficients of a regression line is 0.7 and the correlation coefficient is 0.75. Are the results

31. Coefficient of Correlation values lies between

32.

33. Find the mean and median of the given data set.

57, 65, 72, 66, 55, 57, 58, 57, 62

34. For a standard normal variate, the value of mean is?

35. If ‘X’ is a random variable, taking values ‘x’, probability of success and failure being ‘p’ and ‘q’ respectively and ‘n’ trials being conducted, then what is the probability that ‘X’ takes values ‘x’? Use Binomial Distribution

36. Copy - An investigator reports that the arithmetic mean of two regression coefficients of a regression line is 0.7 and the correlation coefficient is 0.75. Are the results

37. Copy - When the regression line passes through the origin then

38. Copy - A deck of 52 cards has four suits: hearts, spades, diamonds, and clubs. There are 13 cards in each suit. You draw one card at random from the deck. What is the probability it's a heart?

39. For larger values of ‘n’, Binomial Distribution ___________

40. The following numbers represent the ages of people on a bus: 3, 6, 27, 13, 6, 8, 12, 20, 5, 10. Calculate their mean of their ages.