Statistic value for two mean tests using equal variance

Reference no: EM1321647

Find the test statistic value for two mean tests using equal variance formula.

In testing the equality of the two means below, what is the test statistic? (Use the equal variances formula)

	Sample 1	Sample 2
Sample size	12	8
Sample mean	115	80
Sample variance	700	450

a.0.28

b.3.27

c.2.37

d.0.14

Reference no: EM1321647

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