STT206




Category: STT206

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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. ANOVA can be classified in ________ ways

2 / 50

2. Classification of data based on sources gives rise to __________

3 / 50

3. A summary measure that describes any given characteristic of the population is known as a ________

4 / 50

4. Calculate the mean of the date in the table below

5 / 50

5. When the correlation coefficient r, equals zero, then __________

6 / 50

6. The degree of randomness of selection would depend upon the process of selecting the items from the _________

7 / 50

7. Out of all measures of dispersion, the easiest one to calculate is_____

8 / 50

8. Individual data can also be called ____________ data

9 / 50

9. 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 ____

10 / 50

10. In simple linear regression, the numbers of unknown constants are ______

11 / 50

11. In null hypothesis for a Chi-square test, both variables are _____

12 / 50

12. Indicators which reflect the relative changes in the level of certain phenomenon in any given period are ________

13 / 50

13. Method of forecasts used to generate the general picture (or trend) behind a set of data or time series is ______________

14 / 50

14. Analysis of Variance (ANOVA) is a test for equality of _____

15 / 50

15. Forecasts that concern the distant future are _______ forecasts

16 / 50

16. Variables that assume any value within an interval or have the property of infinite divisibility are _____ variables

17 / 50

17.  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

18 / 50

18.  Quantitative variable can be classified into _________

19 / 50

19. the most common index numbers are _____

20 / 50

20. The difference between the highest observation and the lowest observation is called ________

21 / 50

21. Calculate the variance of the date in the table below

22 / 50

22. Sampling is simply a process of learning about the __________________ on the basis of a sample drawn from it

23 / 50

23. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation

24 / 50

24. Given the data, 5, 8, 3, 4, 6, 1. Obtain first non-central moment

25 / 50

25. Like other quartiles, the median quartile is at what percent mark:_____%

26 / 50

26. Variables whose values are whole numbers or integers are called ________

27 / 50

27. Variables whose values are whole numbers or integers are called _________

28 / 50

28. Distributions involving two discrete variables are called __________

29 / 50

29.  Quantitative variable can be classified into ________

30 / 50

30. Hypothesis testing starts with a statement about population parameters such as _________

31 / 50

31. The following are types of correlation except _________

32 / 50

32. The chi-square goodness-of-fit test is be used to test for _____

33 / 50

33. Housing unit, number of students in a class, number of goals scored and number of cars are examples of ______ variable

34 / 50

34. A graphical method of showing correlation between two variables is called __________

35 / 50

35. Distributions in which there are only one variable are called __________

36 / 50

36. Forecasts concerning the near future are known as ______ forecasts

37 / 50

37. The payoffs associated with each possible outcome in a decision problem should be listed in ______ table

38 / 50

38. 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

39 / 50

39. The second quartile is equivalent to the _________

40 / 50

40. Distributions in which there are only one variable are called _________

41 / 50

41. Data collected on a particular variable or set of variables over time is called _________

42 / 50

42. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?

43 / 50

43. The mathematical method of determined the points estimate of ‘a’ and ‘b’ from the available sample points is called ____ method

44 / 50

44. Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data

45 / 50

45. When an investigator uses questionnaire to collect data from group of people in a population, such data is called ______data

46 / 50

46. The chi-square test is not very effective if the sample is _______

47 / 50

47.  Variables whose values are fractional and are points on an internal are called _________

48 / 50

48. Distributions involving two discrete variables are called ________

49 / 50

49. Distributions involving two discrete variables are called ___________

50 / 50

50. The following are measurement scales except _______

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