Paired-data regression results topic check
Practise paired-data regression results, check independently, and return later to review. This check covers selected skills, not the whole course topic.
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Learning goals
- Calculate product-moment correlation from specified paired data
- Calculate complete ordered intercept and gradient from specified paired data
- Calculate original-response model prediction from specified paired data
- Calculate signed residual on the fitted response scale from specified paired data
- Calculate sum of squared residuals on the fitted response scale from specified paired data
- Calculate original-input solution of a specified fitted calibration model from specified paired data
- Calculate product-moment correlation from specified paired data and transformations
- Calculate complete ordered intercept and gradient from specified paired data and transformations
- Calculate original-response model prediction from specified paired data and transformations
- Calculate signed residual on the fitted response scale from specified paired data and transformations
- Calculate sum of squared residuals on the fitted response scale from specified paired data and transformations
- Calculate original-input solution of a specified fitted calibration model from specified paired data and transformations
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Check what you know
Answer each question and say how sure you are to find what to practise next.
Check what you know
Start here to see which parts you already know.
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Paper instructions
This shows what to work on next and doesn’t count towards your course progress.
- Question count is checked before you start.
- Feedback appears after you finish and submit.
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Beyond the syllabus: optional enrichment that does not count towards your progress.
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Practise
Practise questions on the skills you are learning.
Use the feedback to improve your answers; this practice does not count towards your progress.
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Paper instructions
This is for practice only and doesn’t count towards your course progress.
- Question count is checked before you start.
- Feedback appears after you check each answer.
Your work
Without an account, unfinished answers stay in this tab. Signed in, they are saved on this device until the deadline shown when you start.
Getting your questions…
Recent attempts
History is stored only in this browser.
No completed attempts are saved yet.
Beyond the syllabus: optional enrichment that does not count towards your progress.
Practise after feedback
After a check, practise the skills it showed you need to work on.
Use the feedback to improve your answers; this practice does not count towards your progress.
Time is up and your answers could not be submitted; check your connection and try again.
Paper instructions
This is for practice only and doesn’t count towards your course progress.
- Question count is checked before you start.
- Feedback appears after you check each answer.
Your work
Without an account, unfinished answers stay in this tab. Signed in, they are saved on this device until the deadline shown when you start.
Getting your questions…
Recent attempts
History is stored only in this browser.
No completed attempts are saved yet.
Beyond the syllabus: optional enrichment that does not count towards your progress.
Check your progress
When you feel ready, answer on your own to show what you can do.
Use the feedback to improve your answers; this practice does not count towards your progress.
Time is up and your answers could not be submitted; check your connection and try again.
Paper instructions
Your result can count towards your course progress.
- Question count is checked before you start.
- Feedback appears after you finish and submit.
Your work
Without an account, unfinished answers stay in this tab. Signed in, they are saved on this device until the deadline shown when you start.
Getting your questions…
Recent attempts
History is stored only in this browser.
No completed attempts are saved yet.
Beyond the syllabus: optional enrichment that does not count towards your progress.
Progress check complete
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Where marks were lost
Your answers
Check again
After practising what your progress check showed, check those skills again.
Use the feedback to improve your answers; this practice does not count towards your progress.
Time is up and your answers could not be submitted; check your connection and try again.
Paper instructions
Your result can count towards your course progress.
- Question count is checked before you start.
- Feedback appears after you finish and submit.
Your work
Without an account, unfinished answers stay in this tab. Signed in, they are saved on this device until the deadline shown when you start.
Getting your questions…
Recent attempts
History is stored only in this browser.
No completed attempts are saved yet.
Beyond the syllabus: optional enrichment that does not count towards your progress.
Progress check complete
Next steps
Where marks were lost
Your answers
Retention check
Come back later to see whether your learning has lasted.
Use the feedback to improve your answers; this practice does not count towards your progress.
Time is up and your answers could not be submitted; check your connection and try again.
Paper instructions
A scheduled review counts towards your course progress only when it is due.
- Question count is checked before you start.
- Feedback appears after you finish and submit.
Your work
Without an account, unfinished answers stay in this tab. Signed in, they are saved on this device until the deadline shown when you start.
Getting your questions…
Recent attempts
History is stored only in this browser.
No completed attempts are saved yet.
Beyond the syllabus: optional enrichment that does not count towards your progress.
Retention check complete
Next steps
Where marks were lost
Your answers
Next step