STRAIGHTERLINE INTRODUCTION TO STATISTICS EXAMINATION PAPER 2026 QUESTIONS WITH VERIFIED SOLUTIONS

STRAIGHTERLINE INTRODUCTION TO
STATISTICS EXAMINATION PAPER 2026
QUESTIONS WITH VERIFIED SOLUTIONS

⩥ data. Answer: consists of information coming from observations,
counts, measures, or responses


⩥ Census. Answer: Collects information from all members of the
population


⩥ population (of a data set). Answer: the collection of *all* outcomes,
responses, measurements, or counts that are of interest


⩥ sample (of a data set). Answer: a subset of the population (part of)


⩥ parameter. Answer: a number that describes a population
characteristic


⩥ statistic. Answer: a number that describes a sample characteristic


⩥ qualitative data. Answer: consists of attributes, labels, or
nonnumerical entries.

, ex: major, place of birth, eye color


⩥ quantitative data. Answer: numerical measurements or counts


ex: age, weight of a letter, temperature


⩥ Designing a Statistical Study. Answer: *1.* Identify the variables of
interest (the focus) and the population of the study.


*2.* Develop a detailed plan for collecting data. If you use a sample,
make sure the data is a good representation of the population.


*3.* Collect Data.


*4.* Describe the data using descriptive statistics techniques. (mean,
median, mode, etc.)


*5.* Interpret the data and make decisions about the population using
inferential statistics.


*6.* Identify any possible errors.