FMS 102 CBT PRACTICE TEST

1. Coefficient of Correlation values lies between

2. 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.

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

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

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

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

7. 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.

8.

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

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

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

11. 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

12. Copy -

A perfect negative correlation is signified by

13. 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?

14. 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

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

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

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

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

19. When the regression line passes through the origin then

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

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

22. The probability of an impossible event is ____

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

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

24. 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

25. 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?

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

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

28. 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

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

30.

A perfect negative correlation is signified by

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

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

33. 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?

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

35. 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

36. 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?

37. Normal Distribution is applied for ___________

38. 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

39. 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

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