PAPER 1 2026 CERTIFICATION
EVALUATION QUESTIONS AND SOLUTIONS
GRADED A+
●● example of parameter.
Answer: population mean
●● statistic.
Answer: a value that describes a sample; used to estimate population
parameter
●● example of a statistics.
Answer: sample mean
●● In order to make correct inferences about the population, the sample
must....
Answer: reflect the population
●● representative sample.
Answer: consist of members that possess the same characteristics as
those of the population
, ●● biased sample.
Answer: a sample that is not representative of the population
●● 5 types of sampling techniques.
Answer: simple random sampling, systematic sampling, stratified
sampling, cluster sampling, and convenience sampling
●● simple random sampling.
Answer: each member of the population has an equal chance of being
selected for the sample
●● example of simple random sampling.
Answer: everyone in the population of interest rolls a die, everyone
rolling a 6 gets selected
●● In simple random sampling, the probability that each member is
selected is ____ of one another..
Answer: independent
●● Simple random sampling is ideal for ____ populations..
Answer: small