Answer:
Step-by-step explanation:
The standard deviation (SD) can be defined as a entity that measures the amount of dispersion for a set of data from the mean, while the standard error of the mean (SEM) measures the magnitude of deviation of the sample mean of the data from the true population mean.
Answer:
the number is 12
Step-by-step explanation:
3x+9=5x-15
9+15=5x-3x
24=2x
12=x
200. because 50 = one hour. 100= 2 hours and so on.
Gabriela has a stack of 9 nickels.
0.72 x 9 = 0.08
