DSC 210 EXAM QUESTIONS WITH CORRECT
ANSWERS 2026 UPDATE
Sample - CORRECT ANSWER -subset of a population
Point estimate - CORRECT ANSWER -single numerical value used as an estimate of a population
parameter
Sampling distribution - CORRECT ANSWER -distribution of all possible values of a sample
statistic
Sampling distribution of sample means - CORRECT ANSWER -probability distribution of all
sample mean values from all possible samples of size 'n' from a given population of size 'N'
U - CORRECT ANSWER -expected value of the random variable x bar, represents mean of
population
Standard error of the mean - CORRECT ANSWER -standard deviation of all possible x bar values
from all possible samples of size 'n' from a given population of size 'N' is called
Subjective method - CORRECT ANSWER -method of assigning probabilities based upon
judgment or belief
Tree diagram - CORRECT ANSWER -graphical method of representing multi-step probability
outcomes
Union of events - CORRECT ANSWER -addition law applies- P(A U B)
ANSWERS 2026 UPDATE
Sample - CORRECT ANSWER -subset of a population
Point estimate - CORRECT ANSWER -single numerical value used as an estimate of a population
parameter
Sampling distribution - CORRECT ANSWER -distribution of all possible values of a sample
statistic
Sampling distribution of sample means - CORRECT ANSWER -probability distribution of all
sample mean values from all possible samples of size 'n' from a given population of size 'N'
U - CORRECT ANSWER -expected value of the random variable x bar, represents mean of
population
Standard error of the mean - CORRECT ANSWER -standard deviation of all possible x bar values
from all possible samples of size 'n' from a given population of size 'N' is called
Subjective method - CORRECT ANSWER -method of assigning probabilities based upon
judgment or belief
Tree diagram - CORRECT ANSWER -graphical method of representing multi-step probability
outcomes
Union of events - CORRECT ANSWER -addition law applies- P(A U B)