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 mathematical method of determined the points estimate of ‘a’ and ‘b’ from the available sample points is called ____ method
2 / 50
2. The difference between the highest observation and the lowest observation is called ________
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3. Distributions in which there are only one variable are called _________
4 / 50
4. Variables whose values are fractional and are points on an internal are called _________
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5. A graphical method of showing correlation between two variables is called __________
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. Multiple regression is also known as _____ regression
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8. The measure of dispersion that ensures highest degree of reliability is ___________
9 / 50
9. When an investigator uses questionnaire to collect data from group of people in a population, such data is called ______data
10 / 50
10. Calculate the mean of the date in the table below
11 / 50
11. Hypothesis testing starts with a statement about population parameters such as _________
12 / 50
12. Purposive samples can be occasionally referred to as ______ samples
13 / 50
13. Forecasts that concern the distant future are _______ forecasts
14 / 50
14. Under correlation coefficient, When r = +1, there is a ________linear relationship
15 / 50
15. ANOVA means _______
16 / 50
16. 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 _______
17 / 50
17. Distributions involving two discrete variables are called ___________
18 / 50
18. The first moment about mean is given by [ H_{1}=]
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19. The method of least squares dictates that we choose a regression line where the sum of the square of deviations of the points from the line is _______
20 / 50
20. Calculate the standard deviation of the date in the table below
21 / 50
21. 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
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22. Forecasts based solely on past and present values of the variable to be forecast is called_______ forecasts
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23. Distributions involving two discrete variables are called __________
24 / 50
24. Compute the harmonic mean of 5, 6 and 7
25 / 50
25. Distributions in which there are only one variable are called __________
26 / 50
26. Compute the harmonic mean of 5, 6 and 7
27 / 50
27. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation
28 / 50
28. Sampling is simply a process of learning about the __________________ on the basis of a sample drawn from it
29 / 50
29. Any characteristics of an object that is capable of assuming different values is called _______
30 / 50
30. Where T.S.S is 172.5 and W.S.S.S is 125.5, B.S.S.S will be ________
31 / 50
31. Quantitative variable can be classified into ________
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32. Analysis of Variance (ANOVA) is a test for equality of _____
33 / 50
33. The boundaries separating the items in a given distribution into quarters are called ________
34 / 50
34. The following are measurement scales except ________
35 / 50
35. ___________ refers to the formula or statistic which has been chosen to provide an estimate of the population value
36 / 50
36. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?
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37. The following are types of correlation except _________
38 / 50
38. A graphical method of showing correlation between two variables is called __________
39 / 50
39. Under coefficient of correlation, When r = 0 i.e. there is ________ relationship
40 / 50
40. the most common index numbers are _____
41 / 50
41. Correlation values ranges from _________
42 / 50
42. 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 ____
43 / 50
43. The degree of randomness of selection would depend upon the process of selecting the items from the _________
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44. The following are types of correlation except _________
45 / 50
45. 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
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46. A summary measure that describes any given characteristic of the population is known as a ________
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47. Like other quartiles, the median quartile is at what percent mark:_____%
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48. A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______
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49. 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
50 / 50
50. Individual data can also be called ____________ data
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