BSNS 112 MIDTERM AND FINAL EXAM NEWEST ACTUAL EXAM COMPLETE 300 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)
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Course
BSNS 112
Institution
BSNS 112
BSNS 112 MIDTERM AND FINAL EXAM
NEWEST ACTUAL EXAM
COMPLETE 300 QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS)
What does quantitative data use? - answerMeans
What is discrete data? - answerQuantitative. Measured in specific values
What is continuous data? - answerQuantitative. Measure in ...
Define statistic - answer✔A summary measure that describes a characteristic of a sample
Define simple random sampling - answer✔Everyone is equally likely to be chosen from a population
Define systematic random sampling - answer✔Selecting 1 individual from a group and choosing the kth
individual thereafter
Define stratified random sampling - answer✔Dividing the population into homogenous groups of similar
characteristics and selecting a random sample from each group
Define cluster sampling - answer✔Dividing the population into several clusters (that aren't
homogenous), and taking a random sample from each cluster
How are non sampling errors caused? Is it avoidable? - answer✔By how the person samples. It is human
error and is avoidable
What is coverage error? - answer✔Non sampling error. Difference between sample population and
target population (due to self selection or selection bias) — wrong subjects
What is non-response error? - answer✔Non sampling error. Subject from the sample chooses not to
respond and impacts on the data
What is a measurement error? - answer✔Non sampling error. Error in the measurement of the data
through bad questions and misunderstanding
What is a sampling error? And is it avoidable? - answer✔Difference between the sample and population
because of the observations that occurred with the particular sample (unavoidable)
How do you decrease the sampling error? - answer✔Increase the sample size
What is the margin of error? - answer✔A quantified measure of the sampling error; makes the sample
statistic a more accurate measure of the population parameter
How to decrease the margin of error? - answer✔Increase sample size
Define Union - answer✔Probability that one event occurs OR the other
Define intersection - answer✔Probability that both events occur TOGETHER
Define mutually exclusive - answer✔2 events CAN'T occur together
Define collectively exhaustive - answer✔Outcomes given are the only POSSIBLE outcomes
What does it mean when 2 events complement each other? - answer✔Their probabilities add to 1
Define conditional probability - answer✔The probability of an event occurring GIVEN THAT another has
occurred
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