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. Distributions involving two discrete variables are called ___________
2 / 50
2. Forecasts based solely on past and present values of the variable to be forecast is called_______ forecasts
3 / 50
3. Given the data, 5, 8, 3, 4, 6, 1. Obtain first non-central moment
4 / 50
4. Method of forecasts used to generate the general picture (or trend) behind a set of data or time series is ______________
5 / 50
5. Forecasts concerning the near future are known as ______ forecasts
6 / 50
6. The measure of dispersion that ensures highest degree of reliability is ___________
7 / 50
7. Calculate the mean of the date in the table below
8 / 50
8. Data collected on a particular variable or set of variables over time is called _________
9 / 50
9. Hypothesis testing starts with a statement about population parameters such as _________
10 / 50
10. Calculate the standard deviation of the date in the table below
11 / 50
11. The chi-square test is not very effective if the sample is _______
12 / 50
12. Housing unit, number of students in a class, number of goals scored and number of cars are examples of ______ variable
13 / 50
13. Distributions in which there are only one variable are called __________
14 / 50
14. Distributions in which there are only one variable are called ___________
15 / 50
15. In simple linear regression, the numbers of unknown constants are ______
16 / 50
16. Variables whose values are given as numerical quantities is called _____ variables
17 / 50
17. Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data
18 / 50
18. Sampling is simply a process of learning about the __________________ on the basis of a sample drawn from it
19 / 50
19. 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 ____
20 / 50
20. 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
21 / 50
21. Indicators which reflect the relative changes in the level of certain phenomenon in any given period are ________
22 / 50
22. Quantitative variable can be classified into ________
23 / 50
23. The first moment about mean is given by [ H_{1}=]
24 / 50
24. Analysis of Variance (ANOVA) is a test for equality of _____
25 / 50
25. The following are measurement scales except ________
26 / 50
26. _____________________ provides various types of statistical information of either Qualitative or quantitative nature
27 / 50
27. Correlation values ranges from _________
28 / 50
28. The degree of randomness of selection would depend upon the process of selecting the items from the _________
29 / 50
29. _______ is value of the sample statistic which is taken as an approximation of the parameter value
30 / 50
30. 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 _______
31 / 50
31. The degrees of freedom for the test statistic for μ when σ is unknown is __________
32 / 50
32. 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
33 / 50
33. 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
34 / 50
34. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?
35 / 50
35. Data collected from CBN website are called ________ data
36 / 50
36. A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______
37 / 50
37. 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
38 / 50
38. The branches of statistics that deals with mutual dependence or inter-relationship of two or more variables is _____
39 / 50
39. The difference between the highest observation and the lowest observation is called ________
40 / 50
40. A graphical method of showing correlation between two variables is called __________
41 / 50
41. Distributions involving two discrete variables are called ________
42 / 50
42. The second quartile is equivalent to the _________
43 / 50
43. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation
44 / 50
44. Distributions in which there are only one variable are called _________
45 / 50
45. Forecasts that concern the distant future are _______ forecasts
46 / 50
46. Under correlation coefficient, When r = +1, there is a ________linear relationship
47 / 50
47. In null hypothesis for a Chi-square test, both variables are _____
48 / 50
48. 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 _______
49 / 50
49. Like other quartiles, the median quartile is at what percent mark:_____%
50 / 50
50. When the correlation coefficient r, equals zero, then __________
Restart quiz
Rate this quiz
