The Superintendent of a School District Wanted to Predict the Percentage

question 186

Multiple Choice

The superintendent of a school district wanted to predict the percentage of students passing a sixth-grade proficiency test.She obtained the data on percentage of students passing the proficiency test (% Passing) ,daily mean of the percentage of students attending class (% Attendance) ,mean teacher salary in dollars (Salaries) ,and instructional spending per pupil in dollars (Spending) of 47 schools in the state.She believed that holding everything else constant,instructional spending per pupil had a positive but decreasing impact on percentage.Which of the following would be the most appropriate analysis to perform?

• A)Autoregressive modeling.
• B)Exponential smoothing.
• C)Least-squares forecasting with monthly or quarterly data.
• D)Linear regression with log transformation.

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Definitions:

Standard Deviations

A statistical metric that illustrates the dispersion or variation from the average or mean within a data set.

Standardized Test

A test administered and scored in a consistent manner, used to measure proficiency in a specific area of knowledge or skill.

Standard Deviation

Standard deviation is a statistical measure that quantifies the amount of variation or dispersion of a set of data values around the mean (average).

Normally Distributed

A data distribution pattern in which most measurements are concentrated around the mean, creating a symmetrical bell-shaped curve.