Two random samples have been selected and a two sample z-test for the difference in population means is conducted with H 0:$mu$1 = $mu$2 vs. H a:$mu$1 ≠ $mu$2. The results are σ1 = 1.4, x1= 6.8, n1 = 40, σ2 = 1.6, x2= 7, and n2 = 44. The standard error of the sampling distribution is

PARAMETRIC AND NON PARAMETRIC TESTS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Two random samples have been selected and a two sample z-test for the difference in population means is conducted with H 0:

A	0.267
B	0.327
C	0.462
D	0.107

Explanation:

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RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

PARAMETRIC AND NON PARAMETRIC TESTS