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. The chi-square goodness-of-fit test is be used to test for _____
2 / 50
2. The measure of the degree of uniformity of observations in a given set of data can be said to be _____
3 / 50
3. The first moment about mean is given by [ H_{1}=]
4 / 50
4. Variables whose values are whole numbers or integers are called _________
5 / 50
5. 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
6 / 50
6. A bus starts with 6 people and stops at 10 different stops, how many different ways can the 6 people depart if any passenger can depart at any bus stop ____
7 / 50
7. Housing unit, number of students in a class, number of goals scored and number of cars are examples of ______ variable
8 / 50
8. Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data
9 / 50
9. Like other quartiles, the median quartile is at what percent mark:_____%
10 / 50
10. Method of forecasts used to generate the general picture (or trend) behind a set of data or time series is ______________
11 / 50
11. ___________ refers to the formula or statistic which has been chosen to provide an estimate of the population value
12 / 50
12. Data collected from CBN website are called ________ data
13 / 50
13. Any characteristics of an object that is capable of assuming different values is called _______
14 / 50
14. Purposive samples can be occasionally referred to as ______ samples
15 / 50
15. Where T.S.S is 172.5 and W.S.S.S is 125.5, B.S.S.S will be ________
16 / 50
16. A graphical method of showing correlation between two variables is called __________
17 / 50
17. Compute the harmonic mean of 5, 6 and 7
18 / 50
18. Distributions involving two discrete variables are called ___________
19 / 50
19. Calculate the mean of the date in the table below
20 / 50
20. Correlation values ranges from ________
21 / 50
21. Multiple regression is also known as _____ regression
22 / 50
22. 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 ____
23 / 50
23. _____________________ provides various types of statistical information of either Qualitative or quantitative nature
24 / 50
24. Indicators which reflect the relative changes in the level of certain phenomenon in any given period are ________
25 / 50
25. Hypothesis testing starts with a statement about population parameters such as _________
26 / 50
26. Variables that assume any value within an interval or have the property of infinite divisibility are _____ variables
27 / 50
27. A logical approach used in an investigation to indicate possible alternatives or choices from which an acceptable solution may be derived is called______
28 / 50
28. 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 _______
29 / 50
29. Distributions in which there are only one variable are called _________
30 / 50
30. A graphical method of showing correlation between two variables is called ________
31 / 50
31. The following are types of correlation except _________
32 / 50
32. 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
33 / 50
33. ANOVA means _______
34 / 50
34. The boundaries separating the items in a given distribution into quarters are called ______
35 / 50
35. Calculate the standard deviation of the date in the table below
36 / 50
36. Variables whose values are fractional and are points on an internal are called _________
37 / 50
37. A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______
38 / 50
38. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation
39 / 50
39. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?
40 / 50
40. When the correlation coefficient r, equals zero, then __________
41 / 50
41. Out of all measures of dispersion, the easiest one to calculate is_____
42 / 50
42. The following are measurement scales except _______
43 / 50
43. Analysis of Variance (ANOVA) is a test for equality of _____
44 / 50
44. Scale that has all the properties of the nominal, ordinal and interval scales including the additional property of having an absolute zero point is known as ____ scale
45 / 50
45. The difference between the highest observation and the lowest observation is called ________
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 yi
47 / 50
47. Forecasts concerning the near future are known as ______ forecasts
48 / 50
48. Compute the harmonic mean of 5, 6 and 7
49 / 50
49. A bus starts with 6 people and stops at 10 different stops, how many different ways can the 6 people depart if any passenger can depart at any bus stop _________
50 / 50
50. Classification of data based on sources gives rise to __________
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