FMS 102 CBT PRACTICE TEST

1. 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?

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

3. 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

4. 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

5.

A perfect negative correlation is signified by

6. 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

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

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

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

9. 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.

10.

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

12. Copy -

A perfect negative correlation is signified by

13. 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

14. 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?

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

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

17. 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.

18. 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.

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

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

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

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

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

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

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

26. Coefficient of Correlation values lies between

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

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

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

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

29. 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

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

31. 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?

32. When the regression line passes through the origin then

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

34. 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

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

36. Normal Distribution is applied for ___________

37. 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?

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

39. The probability of an impossible event is ____

40. 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