The page's stylesheet file has not loaded.

Alert

Confirm

Confirm

Display options

Use these controls to change the appearance of the exam.

Most text will be this big.

Accessibility statement and guide to adapting Numbas to your needs.

Make a choice

Numbas has failed

Sorry, Numbas has encountered an error which means it can't continue. Below is a description of the error.

Numbas Error: Variable normalsample is not defined.
Numbas Error
at new Numbas.Error (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:75:13)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17391:19)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17402:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17402:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17402:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17402:21)
at computeVariable (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17402:21)
at https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17493:17
at Array.forEach ()
at Object.makeVariables (https://numbas.mathcentre.ac.uk/numbas-previews/en-GB/question-53078-find-and-use-linear-regression-equation-for-a-small-sample/scripts.js?build_time=1744181363.251241:17492:21)
Loading...

Saving.

This might take a few seconds.

Skip to content

Number of Questions:
Marks Available:
Pass Percentage:
Time Allowed:
Student's Name: ()

This exam is configured to allow you to download your data, but it is not running in a secure browser context. You will not be able to download your exam data. Contact your lecturer or teacher for help.

This exam is running in standalone mode. Your answers and marks will not be saved!

Unsubmitted changes.

Exam introduction

Paused Attempt resumed

The Exam has been suspended. Press Resume to continue.

You will be able to resume this session the next time you start this activity.

Learning objective Score

Click on a question number to see how your answers were marked and, where available, full solutions.

Question Number Question Review
Total (%)

Performance Summary

Exam Name:
Session ID:
Student's Name: ()
Exam Start:
Exam Stop:
Time Spent:

Created using Numbas, developed by Newcastle University.
Created using Numbas, developed by Newcastle University.