SAEE - Data Collection and Analysis Questions and Answers Flashcards

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?

Answer: Systematic sampling

Systematic sampling selects every nth individual from a population list or stream.

Which measure of central tendency is MOST resistant to the influence of extreme outlier scores in a data set?

Answer: Median

The median is resistant to outliers because it reflects the middle value regardless of extreme scores.

A school collects data on student attendance rates over five years. Which type of graph is MOST appropriate to display trends over time?

Answer: Line graph

Line graphs are ideal for showing changes and trends across a continuous time period.

An administrator notices that schools with more library books also tend to have higher reading scores. This relationship is best described as:

Answer: Correlation

Correlation describes a statistical relationship between two variables without implying one causes the other.

Which data collection method is MOST appropriate when an administrator needs in-depth understanding of a few teachers' instructional challenges?

Answer: Focus group interview

Focus group interviews provide rich qualitative data about specific experiences and perceptions.

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?

Answer: Mean comparison

Comparing means provides a straightforward summary statistic to evaluate performance differences between two groups.

When analyzing benchmark assessment data, a school leader finds that 80% of students scored below proficiency. This is an example of using data for:

Answer: Identifying areas needing instructional intervention

Benchmark data revealing widespread underperformance signals a need for targeted instructional support and intervention.