SAEE SAEE - Data Collection and Analysis Questions and Answers 3 — Questions and Answers
Question 1: A principal wants to evaluate student satisfaction with cafeteria food by surveying every 10th student who enters the cafeteria. This is an example of which sampling method?
- Stratified sampling
- Systematic sampling (Correct answer)
- Cluster sampling
- Convenience sampling
Correct answer: Systematic sampling
Systematic sampling selects every nth individual from a population list or stream.
Question 2: Which measure of central tendency is MOST resistant to the influence of extreme outlier scores in a data set?
- Mean
- Median (Correct answer)
- Mode
- Range
Correct answer: Median
The median is resistant to outliers because it reflects the middle value regardless of extreme scores.
Question 3: A school collects data on student attendance rates over five years. Which type of graph is MOST appropriate to display trends over time?
- Pie chart
- Bar graph
- Line graph (Correct answer)
- Scatter plot
Correct answer: Line graph
Line graphs are ideal for showing changes and trends across a continuous time period.
Question 4: An administrator notices that schools with more library books also tend to have higher reading scores. This relationship is best described as:
- Causation
- Correlation (Correct answer)
- Extrapolation
- Confounding
Correct answer: Correlation
Correlation describes a statistical relationship between two variables without implying one causes the other.
Question 5: Which data collection method is MOST appropriate when an administrator needs in-depth understanding of a few teachers' instructional challenges?
- Statewide standardized test
- Anonymous survey
- Focus group interview (Correct answer)
- Academic record review
Correct answer: Focus group interview
Focus group interviews provide rich qualitative data about specific experiences and perceptions.
Question 6: A district wants to compare this year's third-grade math scores to last year's. Which statistical tool is MOST directly useful for this comparison?
- Frequency distribution
- Percentile rank
- Mean comparison (Correct answer)
- Scatter diagram
Correct answer: Mean comparison
Comparing means provides a straightforward summary statistic to evaluate performance differences between two groups.
Question 7: When analyzing benchmark assessment data, a school leader finds that 80% of students scored below proficiency. This is an example of using data for:
- Summative evaluation only
- Identifying areas needing instructional intervention (Correct answer)
- Ranking students for gifted programs
- Determining teacher salary adjustments
Correct answer: Identifying areas needing instructional intervention
Benchmark data revealing widespread underperformance signals a need for targeted instructional support and intervention.
A principal wants to evaluate student satisfaction with cafeteria food by surveying every 10th student who enters the cafeteria.
This is an example of which sampling method?