If two random samples of size 36 each are selected independently from two populations with variances 25 and 16,then the standard error of the sampling distribution of the sample mean difference, 
,is 5 − 4 = 1.
Definitions:
Parietal Lobe
The part of the brain located behind the frontal lobe, responsible for processing sensory information regarding the location of parts of the body as well as interpreting visual information and processing language and mathematics.
Art Museum
A public or private institution that collects, conserves, and exhibits works of art for education, study, and enjoyment of the public.
MP3 Player
A portable electronic device used to play digital audio files in the MP3 format.
Frontal Lobe
The part of the brain located at the front of each cerebral hemisphere, responsible for higher cognitive functions like decision-making, planning, and voluntary movement.
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