STT206

A. Distributions involving two discrete variables are called ___________

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

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

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

E. ANOVA means _______

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

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

H. The following are measurement scales except _______

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

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

K. 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____

L. Forecasts based solely on past and present values of the variable to be forecast is called_______ forecasts

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

N. Multiple regression is also known as _____ regression

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

P. The following are types of correlation except _________

Q. Data collected from CBN website are called ________ data

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

S. The second quartile is equivalent to the _________

T. Individual data can also be called ____________ data

U. 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 ____

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

W. _______ is value of the sample statistic which is taken as an approximation of the parameter value

X. Range of 8, 12, 5, 15 is ______

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

Z. Distributions involving two discrete variables are called ________

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

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

AC.  The second quartile is equivalent to the __________

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

AE.  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

AF. Distributions in which there are only one variable are called ___________

AG. 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 ____

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

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

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

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

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

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

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

AO. Forecasts that concern the distant future are _______ forecasts

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

AQ.  Quantitative variable can be classified into ________

AR. 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 _______

AS. ___________ refers to the formula or statistic which has been chosen to provide an estimate of the population value

AT.  Quantitative variable can be classified into _________

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

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

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

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

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

AZ. ANOVA can be classified in ________ ways

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

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

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

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

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

BF. The first moment about mean is given by [ H_{1}=]

BG. Distributions involving two discrete variables are called __________

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

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

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

BK.  The following are measurement scales except ________

BL. Purposive samples can be occasionally referred to as ______ samples

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

BN. The following are types of correlation except _________

BO. 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

BP.  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 _________

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

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