42% of x= 0.21
0.42x=0.21
x=
x=0.5
0.42x=0.21
x=
x=0.5
Help me with a algebra word problem
1 answer:
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Answer:
Standard error
Step-by-step explanation:
The standard deviation of the distribution of sample means is called the standard error of the means.
It is denoted by:
The standard error is calculated using the formula:
where n is the sample size and is the population standard deviation.