The sizes that should be closest to the actual parameter value of a population is option c. 600.
What is estimation point?
It represent the amount of the parameter that can be in the form of the mean or the standard deviation. Also, it helps for determining the confidence interval.
Also, we know that if the sample size is high so there should be more precise for the estimate.
So as per the given options, the option c is correct.
Learn more about population here: https://brainly.com/question/24526520
