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. In null hypothesis for a Chi-square test, both variables are _____
2 / 50
2. A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______
3 / 50
3. Distributions in which there are only one variable are called _________
4 / 50
4. Multiple regression is also known as _____ regression
5 / 50
5. The measure of the degree of uniformity of observations in a given set of data can be said to be _____
6 / 50
6. Indicators which reflect the relative changes in the level of certain phenomenon in any given period are ________
7 / 50
7. The branches of statistics that deals with mutual dependence or inter-relationship of two or more variables is _____
8 / 50
8. Where T.S.S is 172.5 and W.S.S.S is 125.5, B.S.S.S will be ________
9 / 50
9. Calculate the mean of the date in the table below
10 / 50
10. _______ is value of the sample statistic which is taken as an approximation of the parameter value
11 / 50
11. Purposive samples can be occasionally referred to as ______ samples
12 / 50
12. Variables that assume any value within an interval or have the property of infinite divisibility are _____ variables
13 / 50
13. The boundaries separating the items in a given distribution into quarters are called ______
14 / 50
14. 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
15 / 50
15. The first moment about mean is given by [ H_{1}=]
16 / 50
16. Variables whose values are whole numbers or integers are called _________
17 / 50
17. Quantitative variable can be classified into _________
18 / 50
18. Correlation is used to determine the extent at which the variable are correlated is called_________ correlation
19 / 50
19. Analysis of Variance (ANOVA) is a test for equality of _____
20 / 50
20. What is the range of the data 5, 2, 2, 3, 7, 8, 18, 1 ?
21 / 50
21. The degree of randomness of selection would depend upon the process of selecting the items from the _________
22 / 50
22. Variables whose values are fractional and are points on an internal are called _________
23 / 50
23. Out of all measures of dispersion, the easiest one to calculate is_____
24 / 50
24. Individual data can also be called ____________ data
25 / 50
25. 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
26 / 50
26. The chi-square test is not very effective if the sample is _______
27 / 50
27. Quantitative variable can be classified into ________
28 / 50
28. 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 _______
29 / 50
29. Distributions involving two discrete variables are called ________
30 / 50
30. Correlation values ranges from ________
31 / 50
31. When an investigator uses questionnaire to collect data from group of people in a population, such data is called ______data
32 / 50
32. Range of 8, 12, 5, 15 is ______
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. The difference between the highest observation and the lowest observation is called ________
35 / 50
35. The following are measurement scales except ________
36 / 50
36. The difference between the highest observation and the lowest observation is called ________
37 / 50
37. Variables whose values are fractional and are points on an internal are called _________
38 / 50
38. The following are measurement scales except _______
39 / 50
39. The payoffs associated with each possible outcome in a decision problem should be listed in ______ table
40 / 50
40. The boundaries separating the items in a given distribution into quarters are called ________
41 / 50
41. Given the data, 5, 8, 3, 4, 6, 1. Obtain first non-central moment
42 / 50
42. Data collected from CBN website are called ________ data
43 / 50
43. Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data
44 / 50
44. Forecasts concerning the near future are known as ______ forecasts
45 / 50
45. Correlation values ranges from _________
46 / 50
46. When the correlation coefficient r, equals zero, then __________
47 / 50
47. Calculate the standard deviation of the date in the table below
48 / 50
48. _____________________ provides various types of statistical information of either Qualitative or quantitative nature
49 / 50
49. Hypothesis testing starts with a statement about population parameters such as _________
50 / 50
50. Distributions in which there are only one variable are called ___________
Restart quiz
Rate this quiz
