which equation represents a liner function that has a slope of 4/5 in the Y intercept of -6 y = -6x + 4/5 y = 4/5 x - 6y = 4/5 x
2 answers:
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Answer: a. $128.125
Step-by-step explanation:
The standard error of the mean is given by :
, where
= population standard deviation , n= sample size.
Given:
n= 256
Then, the standard error of the mean:-
Hence, option a. is correct.