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Stats Analysis

Assessment Model Print

Poor Statistical Analysis

In this poor statistical analysis, a student records data but does not explain it.

Title: Stats Analysis

Level: Grade 11, Grade 12

Mode: Explanatory Writing

Form: Statistical Analysis

Learn more about writing assessment.

Completed Rubric: Stats Analysis Rubric

Blank Rubric: Assessment Rubric for Explanatory Writing

View related assessment models:

Strong:
Poverty and Race as Predictors in the 2016 Presidential Election
Good:
Poverty and Race in the 2016 Election
Okay:
AP Stats Project
Poor:
Stats Analysis

Student Model

AP Stats Project

Sources

  • Census
  • Health and Human Services
  • Election Results

Poverty-Rate Compared to Republican Vote:

  • R=.508
  • Predicted Republican Vote  = 1.38 × Poverty Rate+26
  • No pattern in residual plot.
  • +1 percent poverty = +1.38 percent Republican vote
  • Y-intercept is at 26.6
  • S value = 7.497
  • r²= .258

Non-Hispanic White Population Compared to Republican Vote

  • R= .442
  • Predicted Republican Vote=.335 × Non-Hispanic White +26.7
  • +1 percent non-Hispanic whites =  +.335 percent Republican votes
  • Y-intercept is not necessary.
  • S=7.806
  • R²=.195
Poverty rate is a better indicator than non-Hispanic white percentage.

Rubric

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Stats Analysis by Thoughtful Learning is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at k12.thoughtfullearning.com/assessmentmodels/stats-analysis.

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