FUOYE FMS 102 CBT Practice : Undergragra

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace FMS 102 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions
Do not waste time on a question you don’t know
Move as fast as possible and starting with questions that don’t have calculation first to save time
Always crosscheck
Don’t be in a hurry to submit, you are not in a competition
Don’t be scared. Getting an A is easy
Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book
Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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270

Created on July 30, 2023 By

Aruwaji Philip

FMS 102

1 / 40

The recurrence relation between P(x) and P(x +1) in a Poisson distribution is given by ___________

A. P(x+1) – m P(x) = 0

B. (x+1) P(x) – x P(x+1) = 0

C. m P(x+1) – P(x) = 0

D. (x+1) P(x+1) – m P(x) = 0

2 / 40

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

A. 8.65

B. 7.35

C. 12.31

D. 5.2

3 / 40

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

A. Multicollinearity

B. Normally distributed variables

C. Linear relationship

D. Constant variance

4 / 40

4. Coefficient of Correlation values lies between

A. 0 and 1

B. None of these

C. -1 and +1

D. -1 and 0

5 / 40

5. 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

A. 30

B. 7

C. 49

D. 70

6 / 40

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

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

A. Mean=61, Median =58

B. Mean=60, Median =58

C. Mean=61, Median =57

D. Mean=60,Median =57

7 / 40

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

A. n=0.5,p=40

B. n=100,p=0

C. n=40,p=0

D. n=40,p=0.5

8 / 40

8. 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?

A. 1

B. 13/21

C. 17/21

D. 19/66

9 / 40

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

A. 81%

B. 27%

C. 9%

D. 18%

10 / 40

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

A. 10

B. 55

C. 1

D. 5.5

11 / 40

11. 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

A. P(x = x) = xCn pn qx

B. P(X = x) = nCx px qx

C. P(X = x) = nCx px q(n-x)

D. P(X = x) = xCn qx p(n-x)

12 / 40

12. 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.

A. 6

B. 11

C. 10

D. 9

13 / 40

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

A. 18%

B. 81%

C. 27%

D. 9%

14 / 40

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

A. 1/4

B. 1/2

C. 1/6

D. 1/3

15 / 40

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

A. 0

B. 2

C. Not fixed

D. 1

16 / 40

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

A. Variance

B. Same value occurs at all points

C. Extremes

D. Mean

17 / 40

17. 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

A. Invalid

B. Valid

C. None of the options

D. Inconclusive

18 / 40

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.

A. 11

B. 12

C. 9

D. 10

19 / 40

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

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

A. 4.5

B. 4

C. 3

D. 6

20 / 40

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

A. an F test

B. a correlation coefficient

C. an R2 test

D. a t-test

21 / 40

21. Copy -

A perfect negative correlation is signified by

A. 0

B. -1

C. 0.5

D. 1

22 / 40

22. 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?

A. 4/13

B. 1/52

C. 13/52

D. 4/52

23 / 40

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

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

A. Mean=61, Median =57

B. Mean=61, Median =58

C. Mean=60,Median =57

D. Mean=60, Median =58

24 / 40

24. 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?

A. 13/21

B. 1

C. 19/66

D. 17/21

25 / 40

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

A. Loses its discreteness

B. Stays as it is

C. Gives oscillatory values

D. Tends to Poisson Distribution

26 / 40

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

A. Not defined

B. 1

C. Infinity

D. 0

27 / 40

27. A perfect negative correlation is signified by

A. -1

B. 0.5

C. 1

D. 0

28 / 40

28. 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

A. Invalid

B. Inconclusive

C. Valid

D. None of the options

29 / 40

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

A. 3

B. 2

C. 0

D. 1

30 / 40

30. 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.

A. 10

B. 9

C. 6

D. 11

31 / 40

31. Normal Distribution is applied for ___________

A. Continuous Random Distribution

B. Uncertain Random Variable

C. Irregular Random Variable

D. Discrete Random Variable

32 / 40

32. 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

A. 210

B. 30

C. 25

D. 62

33 / 40

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

A. Slope, intercept

B. p value,R2

C. Intercept,slope

D. R2,p value

34 / 40

34. 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?

A. 1/52

B. 13/52

C. 4/52

D. 4/13

35 / 40

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

A. Cumulative distribution

B. Normal distribution

C. Poisson Distribution

D. Posterior distribution

36 / 40

36. 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

A. P(X = x) = xCn qx p(n-x)

B. P(X = x) = nCx px qx

C. P(X = x) = nCx px q(n-x)

D. P(x = x) = xCn pn qx

37 / 40

37. When the regression line passes through the origin then

A. Intercept is zero

B. Association is zero

C. The regression coefficient is zero

D. Correlation is zero

38 / 40

38. 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

A. 44259

B. 44198

C. 44199

D. 44429

39 / 40

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

A. The regression coefficient is zero

B. Intercept is zero

C. Correlation is zero

D. Association is zero

40 / 40

40. The probability of an impossible event is ____

A. 3

B. 2

C. 1

D. 0

Your score is

The average score is 24%

The recurrence relation between P(x) and P(x +1) in a Poisson distribution is given by ___________

A perfect negative correlation is signified by

27. A perfect negative correlation is signified by

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