Two independent random samples resulted in the following. Find the estimate for the standard error for...

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Two independent random samples resulted in the following. Find the estimate for the standard error for...

Two independent random samples resulted in the following. Find the estimate for the standard error for the difference between two means. (Give your answer correct to two decimal places.)

Sample A: n_A = 26, s_A = 8.8

Sample B: n_B = 29, s_B = 11.3

math Statistics-And-Probability

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Answer 1

Answer #1

Solution,

Given that,

nA = 26

sA = 8.8

nB = 29

sB = 11.3

so,

SE ( xA, xB ) = (sA / nA ) + (sB / nB)

SE ( xA, xB ) = (8.8 / 26) + (11.3 / 29)

SE ( xA, xB ) = 0.338461538 + 0.389655172

SE ( xA, xB ) = 0.85

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Answer 2

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