20 x 5 will give your the best estimate of 23x 4.8 because 20 x 5 = 100 and 23 x 4.8 = 110 hope this helped :)
Answer:
42 / 7 = 6
Step-by-step explanation:
There are 6 rows in the class room.
When a finite number of samples are drawn from a larger population, the sample mean of that sample, while usually close to the population mean, is not the same thing. A population mean, on the other hand, is a description of pretty much ALL of whatever is being examined.
Example of population: Everyone in the USA
Example of a sample: One person, chosen at random, from each of the 50 states