Calculate the t statistic for testing equality of means where 
= 8.2, 
= 11.3,s12 = 5.4,s22 = 5.2,n1 = 6,and n2 = 7.(Assume equal population variances. )
Definitions:
Degrees of Freedom
The number of independent values or quantities that can be assigned to a statistical distribution without violating any constraints.
Population Means
Population means refer to the average value of a particular characteristic in a population.
Numerator
The top number in a fraction, indicating how many parts of the whole or collection are being considered.
Denominator
The bottom number in a fraction, indicating into how many parts the whole is divided.
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