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Compound Probability :    

The probability of the occurrence of two events.

Co-variance :    

It is the square of the standard deviations.

Cumulative frequency :    

The total frequency of all values less than or equal to the upper class boundary of a given class - interval and vice-versa.

Data :    

The numerical information collected of variables.

Degree of freedom :    

The number of classes to which the value can be assigned arbitrarily or at will without violating the restrictions and limitations placed on the numbers of independent constraints in a set of data.

Dependent :    

Events whose occurrence or non-occurence doesn't affect the occurrence of the other event.

Event Dependent Variable :    

variable which is cause or influence by another variable in a given phenomenon.

Descriptive Statistics :    

The numerical data which describes phenomena.

Directional Test :    

A test, used to compare two statistical values and predict that one is higher than the other or vice-versa.

Discrete Variable :    

A variable not capable of assuming all values in a given range or a variable which can be measured only by means of whole numbers.

Disjoint Occurrence :    

Two outcomes which doesn't happen simultaneously or which have nothing in common.

Distribution :    

Collection of measurements expressing how scores tend to spread over a measurement scale

Dispersion :    

The scatter or variability of the data about a given Central tendency.

Frequency :    

A diagram which displays the number of measures falling into different Histogram classes.

Frequency polygon :    

It is a graphic display in which frequencies are plotted against mid-points of the class-intervals & the points thus obtained, are join by a line segment.

Fiducial limits :    

The confidence limits are also known as Fiducial limits [See Confidence intervals]

Favorable Events :    

The trials, which entail the happening of an event, are favorable to the event.

 

Index

Appendix
Table - A :Area under standard normal Curve
Table - B :Values of Chi-Square
Table - C :Values of modit

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