 # STT206

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STT206

1 / 50

Correlation values ranges from ________

2 / 50

A graphical method of showing correlation between two variables is called ________

3 / 50

Under correlation coefficient, When r = +1, there is a ________linear relationship

4 / 50

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

5 / 50

Data which are collected by someone else or some organization either in published or unpublished forms is called ________ data

6 / 50

Calculate the variance of the date in the table below

7 / 50

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

8 / 50

The measure of dispersion that ensures highest degree of reliability is ___________

9 / 50

Forecasts that concern the distant future are _______ forecasts

10 / 50

Distributions in which there are only one variable are called __________

11 / 50

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 _________

12 / 50

The following are measurement scales except ________

13 / 50

Where T.S.S is 172.5 and W.S.S.S is 125.5, B.S.S.S will be ________

14 / 50

Any characteristics of an object that is capable of assuming different values is called __________

15 / 50

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

16 / 50

Multiple regression is also known as _____ regression

17 / 50

The following are types of correlation except _________

18 / 50

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

19 / 50

The branches of statistics that deals with mutual dependence or inter-relationship of two or more variables is _____

20 / 50

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

21 / 50

A method that involves conference techniques by which a group of people attempts to find solution for specified problems is known as _______

22 / 50

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

23 / 50

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

24 / 50

A logical approach used in an investigation to indicate possible alternatives or choices from which an acceptable solution may be derived is called______

25 / 50

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

26 / 50

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

27 / 50

The conjectural statement a postulate, or a proposition about an assumed relationship between two or more variables is known as _____

28 / 50

Data collected from CBN website are called ________ data

29 / 50

Forecasts concerning the near future are known as ______ forecasts

30 / 50

Distributions involving two discrete variables are called ___________

31 / 50

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 _______

32 / 50

_____________________ provides various types of statistical information of either Qualitative or quantitative nature

33 / 50

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

34 / 50

Compute the harmonic mean of 5, 6 and 7

35 / 50

Variables whose values are whole numbers or integers are called ________

36 / 50

Distributions in which there are only one variable are called _________

37 / 50

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

38 / 50

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 _______

39 / 50

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 ____

40 / 50

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

41 / 50

Distributions involving two discrete variables are called __________

42 / 50

Variables whose values are whole numbers or integers are called _________

43 / 50

Any characteristics of an object that is capable of assuming different values is called _______

44 / 50

The measure of the degree of uniformity of observations in a given set of data can be said to be _____

45 / 50

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. The Pearson’s No. 1 Coefficient of skewness would be____

46 / 50

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

47 / 50

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

48 / 50

The boundaries separating the items in a given distribution into quarters are called ________

49 / 50

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

50 / 50

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

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