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December: Statistics
Welcome to the December 2021 PositiveNaija Science Quiz!
Date: 26th December, 2021 | Time: 9:00 pm - 9:05 pm
The 15 Questions will be updated on this same post at the stated date and time with replies (answers) by participants to follow accordingly.
Thank you.
- Rescheduled: The December edition is rescheduled for December 4 (9:00 AM - 9:05 AM).
Welcome to the December 2021 PositiveNaija Science Quiz!
Date: 26th December, 2021 | Time: 9:00 pm - 9:05 pm
The 15 Questions will be updated on this same post at the stated date and time with replies (answers) by participants to follow accordingly.
Thank you.
- Rescheduled: The December edition is rescheduled for December 4 (9:00 AM - 9:05 AM).
Publish/advertise your content on our blog website permanently and have it on Google for only 10,000 Naira. +2349064503292
- When the Mean of a number is 18, what is the Mean of the sampling distribution?
- 21
- 18
- 27
- 23
- If the probability of hitting an object is 0.8, find the variance
- 18
- 16
- 14
- 12
- E(X) = λ is used for which distribution?
- Binomial distribution
- Poisson's distribution
- Bernoulli's distribution
- Laplace distribution
- Find the arithmetic mean of the set of data: 6,1,5,8, and 10
- 4
- 5
- 6
- 7
- Calculate the geometric mean of 1,3,9,3
- 1
- 2
- 3
- 4
- Find the variance of the given data set: 3,9,5,6,7
- 1
- 2
- 3
- 4
- The Poisson distribution is applied for
- Regular Random Variable
- Constant time function
- Discrete Random Variable
- Irregular Random Variable
- If the Critical region is evenly distributed then the test is referred as?
- Two tailed
- One tailed
- Three tailed
- Zero tailed
- The probability that person A completes all the tasks assigned is 50% and that of person B is 20%. Find the probability that all the tasks are completed.
- 15
- 25
- 35
- 45
- In Nigeria, there are 55 members of the National Statistics Association. Every member posts a greeting card to all the members. How many greeting cards were posted by them?
- 990
- 890
- 1980
- None of the above
- E(X) = npq is for which distribution?
- Bernoulli’s
- Binomial
- Poisson’s
- Normal
- Which of these distributions is used for a testing hypothesis?
- Normal Distribution
- Chi-Squared Distribution
- Gamma Distribution
- Poisson Distribution
- Weibull distribution gives the failure rate proportional to the power of time.
- True
- False
- In Standard normal distribution, the value of mode is
- 2
- 1
- 0
- None of the above
- In a hypothesis test, what does the p value signify?
- smallest level of significance for rejection of Null Hypothesis
- largest level of significance for rejection of Null Hypothesis
- smallest level of significance for acceptance of Null Hypothesis
- smallest level of significance for acceptance of Null Hypothesis
- When the Mean of a number is 18, what is the Mean of the sampling distribution?
- 21
- 18
- 27
- 23
- If the probability of hitting an object is 0.8, find the variance
- 18
- 16
- 14
- 12
- E(X) = λ is used for which distribution?
- Binomial distribution
- Poisson's distribution
- Bernoulli's distribution
- Laplace distribution
- Find the arithmetic mean of the set of data: 6,1,5,8, and 10
- 4
- 5
- 6
- 7
- Calculate the geometric mean of 1,3,9,3
- 1
- 2
- 3
- 4
- Find the variance of the given data set: 3,9,5,6,7
- 1
- 2
- 3
- 4
- The Poisson distribution is applied for
- Regular Random Variable
- Constant time function
- Discrete Random Variable
- Irregular Random Variable
- If the Critical region is evenly distributed then the test is referred as?
- Two tailed
- One tailed
- Three tailed
- Zero tailed
- The probability that person A completes all the tasks assigned is 50% and that of person B is 20%. Find the probability that all the tasks are completed.
- 15
- 25
- 35
- 45
- In Nigeria, there are 55 members of the National Statistics Association. Every member posts a greeting card to all the members. How many greeting cards were posted by them?
- 990
- 890
- 1980
- None of the above
- E(X) = npq is for which distribution?
- Bernoulli’s
- Binomial
- Poisson’s
- Normal
- Which of these distributions is used for a testing hypothesis?
- Normal Distribution
- Chi-Squared Distribution
- Gamma Distribution
- Poisson Distribution
- Weibull distribution gives the failure rate proportional to the power of time.
- True
- False
- In Standard normal distribution, the value of mode is
- 2
- 1
- 0
- None of the above
- In a hypothesis test, what does the p value signify?
- smallest level of significance for rejection of Null Hypothesis
- largest level of significance for rejection of Null Hypothesis
- smallest level of significance for acceptance of Null Hypothesis
- smallest level of significance for acceptance of Null Hypothesis
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Sincere apologies for the delay. Time will be compensated for; meaning that all answers submitted from 9:08:07 AM will not be accepted.
Thank you.
Sincere apologies for the delay. Time will be compensated for; meaning that all answers submitted from 9:08:07 AM will not be accepted.
Thank you.
Publish/advertise your content on our blog website permanently and have it on Google for only 10,000 Naira. +2349064503292
1. B
2. D
3. C
4. C
5. C
6. D
7. A
8. A
9. C
10. B
11. C
12. B
13. B
14. B
15. C
1. B
2. D
3. C
4. C
5. C
6. D
7. A
8. A
9. C
10. B
11. C
12. B
13. B
14. B
15. C
Quote from
Oyinlola on December 4, 2021, 9:06:30 AM
1 A
2 D
3 B
4 C
5 D
6 C
7 C
8 B
9 C
10 D
11 C
12 B
13 B
14 B
15 A
1 A
2 D
3 B
4 C
5 D
6 C
7 C
8 B
9 C
10 D
11 C
12 B
13 B
14 B
15 A
1. B
2.B
3.B
4.C
5.C
6.D
7.C
8.A
9.A
10.D
11.A
12.A
13.A
14.C
15.A
1. B
2.B
3.B
4.C
5.C
6.D
7.C
8.A
9.A
10.D
11.A
12.A
13.A
14.C
15.A
1. B
2. C
3. B
4. C
5. A
6. B
7. B
8. A
9. C
10. B
11. B
12. A
13. A
14. D
15. A
1. B
2. C
3. B
4. C
5. A
6. B
7. B
8. A
9. C
10. B
11. B
12. A
13. A
14. D
15. A
Quote from
Midells on December 4, 2021, 9:08:11 AM
1.B
2 B
3C
4C
5C
6D
7C
8D
9C
11.C
12 B
13B
14C
15A
10D
1.B
2 B
3C
4C
5C
6D
7C
8D
9C
11.C
12 B
13B
14C
15A
10D
1. A
2. A
3. B
4. C
5. A
6. D
7. A
8. A
9. A
10. D
11. B
12. A
13. A
14. C
15. C
1. A
2. A
3. B
4. C
5. A
6. D
7. A
8. A
9. A
10. D
11. B
12. A
13. A
14. C
15. C
Quote from
Zino on December 4, 2021, 9:09:32 AM
1a
2a
3b
4c
5a
6d
7c
8a
9c
10d
11b
12a
13c
14d
15c
1a
2a
3b
4c
5a
6d
7c
8a
9c
10d
11b
12a
13c
14d
15c
Quote from
Quest on December 4, 2021, 9:10:48 AM
1, D
2, C
3, B
4, C
5, A
1, D
2, C
3, B
4, C
5, A
1. B, 2. B, 3.B, 4. C, 5. D, 6. C , 7. D, 8. A, 9.C, 10.D, 11.B, 12.A, 13.A 14.D, 15. B
1. B, 2. B, 3.B, 4. C, 5. D, 6. C , 7. D, 8. A, 9.C, 10.D, 11.B, 12.A, 13.A 14.D, 15. B
The winners for this edition are as follows:
- 1st - Emmanuel Adebajo: 13/15
- 2nd - Ayodeji Olowolagba: 9/15
- 3rd - Owosina Samuel Kayode: 6/15 in 9:05:52 AM ahead of Oyinlola Abosede (16/15 in 9:06:30 AM)
Congratulations and thanks to everyone.
Answers to the quiz questions can be accessed here: https://www.positivenaija.com/2021-positivenaija-science-quiz/
The winners for this edition are as follows:
- 1st - Emmanuel Adebajo: 13/15
- 2nd - Ayodeji Olowolagba: 9/15
- 3rd - Owosina Samuel Kayode: 6/15 in 9:05:52 AM ahead of Oyinlola Abosede (16/15 in 9:06:30 AM)
Congratulations and thanks to everyone.
Answers to the quiz questions can be accessed here: https://www.positivenaija.com/2021-positivenaija-science-quiz/
Publish/advertise your content on our blog website permanently and have it on Google for only 10,000 Naira. +2349064503292
Prize received. Thank you so much
Prize received. Thank you so much
Prize received. Thanks positivenaija
Prize received. Thanks positivenaija
Prize well received. Thank you so much Positivenaija
Prize well received. Thank you so much Positivenaija
Prize received. Thank you so much
Prize received. Thanks positivenaija
Prize well received. Thank you so much Positivenaija
You are welcome.
Prize received. Thank you so much
Prize received. Thanks positivenaija
Prize well received. Thank you so much Positivenaija
You are welcome.
Publish/advertise your content on our blog website permanently and have it on Google for only 10,000 Naira. +2349064503292