Statistics – Peregrine Questions and
Answers Already Passed
How is variability in a dataset quantified?
✔✔Using measures like variance or standard deviation
What is the importance of data coding in quantitative research?
✔✔To organize raw data into a format suitable for analysis
What does a scatterplot display in quantitative research?
✔✔The relationship between two continuous variables
What is the role of operational definitions in research?
✔✔To clearly define how variables are measured or manipulated
Why are ethical considerations important in quantitative research?
✔✔To protect participants and ensure the integrity of the study
1
,What does statistical significance mean in the context of research results?
✔✔It indicates that the observed results are unlikely due to chance
How are outliers identified in a dataset?
✔✔By analyzing data points that deviate significantly from the rest
What is the role of pilot testing in quantitative research?
✔✔To evaluate the feasibility and reliability of research instruments before the main study
What does a confidence interval represent?
✔✔The range within which the true population parameter is expected to fall
How does a t-test contribute to quantitative research?
✔✔By comparing means between two groups to determine statistical differences
What is the primary function of a research design in quantitative studies?
✔✔To structure the study and guide data collection and analysis
2
, Why is replication important in quantitative research?
✔✔To validate findings and ensure their reliability over time or across different contexts
How is data typically collected in quantitative research?
✔✔Data is collected using structured tools like surveys, experiments, or questionnaires
What does a p-value in statistics indicate?
✔✔The probability of obtaining results as extreme as the observed ones if the null hypothesis is
true
What is the purpose of using a control group in experiments?
✔✔To provide a baseline for comparison with the experimental group
What does standard deviation measure in a dataset?
✔✔The amount of variation or dispersion from the mean
What type of variable is measured to determine the effect of an independent variable?
3