ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
STT206
1 / 50
1. If wale predicts that value of 50kg bag of rice will rise in 2022 based on past year (2016) and present year (2019), wale assumption is based on ____
2 / 50
2. A graphical method of showing correlation between two variables is called __________
3 / 50
3. The following are types of correlation except _________
4 / 50
4. Data collected on a particular variable or set of variables over time is called _________
5 / 50
5. _____________________ provides various types of statistical information of either Qualitative or quantitative nature
6 / 50
6. The boundaries separating the items in a given distribution into quarters are called ______
7 / 50
7. ANOVA can be classified in ________ ways
8 / 50
8. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation
9 / 50
9. Distributions involving two discrete variables are called ________
10 / 50
10. The degrees of freedom for the test statistic for μ when σ is unknown is __________
11 / 50
11. In null hypothesis for a Chi-square test, both variables are _____
12 / 50
12. A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______
13 / 50
13. Individual data can also be called ____________ data
14 / 50
14. Distributions involving two discrete variables are called __________
15 / 50
15. Given the data, 5, 8, 3, 4, 6, 1. Obtain first non-central moment
16 / 50
16. Method of forecasts used to generate the general picture (or trend) behind a set of data or time series is ______________
17 / 50
17. Variables whose values are fractional and are points on an internal are called _________
18 / 50
18. Data collected on a particular variable or set of variables over time is called _________
19 / 50
19. Range of 8, 12, 5, 15 is ______
20 / 50
20. The second quartile is equivalent to the __________
21 / 50
21. Compute the harmonic mean of 5, 6 and 7
22 / 50
22. Consider a set of data on monthly sales of a company�??s product, the mean of which was found to be N240,000; the mode found to be N135,000; and the standard deviation found to be N85,000. Calculate Coefficient of skewness
23 / 50
23. Variables whose values are whole numbers or integers are called _________
24 / 50
24. Distributions in which there are only one variable are called __________
25 / 50
25. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?
26 / 50
26. The measure of dispersion that ensures highest degree of reliability is ___________
27 / 50
27. The degree of randomness of selection would depend upon the process of selecting the items from the _________
28 / 50
28. Multiple regression is also known as _____ regression
29 / 50
29. Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data
30 / 50
30. The branches of statistics that deals with mutual dependence or inter-relationship of two or more variables is _____
31 / 50
31. The second quartile is equivalent to the _________
32 / 50
32. Correlation values ranges from ________
33 / 50
33. Variables that assume any value within an interval or have the property of infinite divisibility are _____ variables
34 / 50
34. Distributions in which there are only one variable are called _________
35 / 50
35. Under correlation coefficient, When r = +1, there is a ________linear relationship
36 / 50
36. The difference between the highest observation and the lowest observation is called ________
37 / 50
37. Under coefficient of correlation, When r = 0 i.e. there is ________ relationship
38 / 50
38. Variables whose values are given as numerical quantities is called _____ variables
39 / 50
39. Where T.S.S is 172.5 and W.S.S.S is 125.5, B.S.S.S will be ________
40 / 50
40. The conjectural statement a postulate, or a proposition about an assumed relationship between two or more variables is known as _____
41 / 50
41. A summary measure that describes any given characteristic of the population is known as a ________
42 / 50
42. The following are measurement scales except _______
43 / 50
43. Out of all measures of dispersion, the easiest one to calculate is_____
44 / 50
44. A logical approach used in an investigation to indicate possible alternatives or choices from which an acceptable solution may be derived is called______
45 / 50
45. If the points on the scatter diagram show no tendency either to increase together or decrease together the value of r will be close to _______
46 / 50
46. The values of (xi,yi) are given as (1,2), (2,4), (3,8), (4,7), (5,10), (6,5), (7,14), (8,16), (9,2), (10,20) find the value of summation xi
47 / 50
47. The values of (xi,yi) are given as (1,2), (2,4), (3,8), (4,7), (5,10), (6,5), (7,14), (8,16), (9,2), (10,20) find the value of summation yi
48 / 50
48. The difference between the highest observation and the lowest observation is called ________
49 / 50
49. Compute the harmonic mean of 5, 6 and 7
50 / 50
50. Forecasts that concern the distant future are _______ forecasts
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