STAT 1350 EXAM 1 (CSCC) Exam Questions & Answers | 100% Verified
solutions (2026) UPDATE |2026!! STUDY GUIDE EXAM
population - (answer)all of the people of interest in a study
sample - (answer)some of the individuals of interest
sample survey - (answer)some of the individuals of interest are surveyed to get information about all of
the individuals, aka the population
census - (answer)an attempt to survey all of the population
random sampling error - (answer)the error that occurs when we estimate a population characteristic by
looking at only one portion of the population rather than the entire population
confidence interval quick method - (answer)Adding and subtracting the margin of error to the sample
proportion
margin of error formula - (answer)1/square root of n, n = whole of sample
statistic vs. parameter - (answer)Statistic: the percentage of the sample
Parameter: percentage of the population
True or False: When we take a census we try to get information from every member of a simple random
sample. - (answer)False - with a census we try to get information from every member of a whole
population.
True or false: Nonsampling errors could occur, even if we take a census. - (answer)True - nonsampling
errors have to do with study methods and bias, which can occur regardless of the sample.
solutions (2026) UPDATE |2026!! STUDY GUIDE EXAM
population - (answer)all of the people of interest in a study
sample - (answer)some of the individuals of interest
sample survey - (answer)some of the individuals of interest are surveyed to get information about all of
the individuals, aka the population
census - (answer)an attempt to survey all of the population
random sampling error - (answer)the error that occurs when we estimate a population characteristic by
looking at only one portion of the population rather than the entire population
confidence interval quick method - (answer)Adding and subtracting the margin of error to the sample
proportion
margin of error formula - (answer)1/square root of n, n = whole of sample
statistic vs. parameter - (answer)Statistic: the percentage of the sample
Parameter: percentage of the population
True or False: When we take a census we try to get information from every member of a simple random
sample. - (answer)False - with a census we try to get information from every member of a whole
population.
True or false: Nonsampling errors could occur, even if we take a census. - (answer)True - nonsampling
errors have to do with study methods and bias, which can occur regardless of the sample.
