Certificate of Achievement

Certificate of Achievement in Statistical Investigation (Level 3)

Qualification code OP3303

This certificate is designed to introduce students to the process of statistical investigation.

A great start to exploring statistical methods and models, this course provides students with a foundation of skills and knowledge for further study in this area. 

Fee free offer

This Certificate of Achievement is currently being offered Fee Free

For information about selecting courses to study towards this qualification, check out the Choose courses tab.

On successfully completing this qualification, students will gain NCEA Level 3 Achievement Standards which include

• AS91580 Investigate time series data
• AS91581 Investigate bivariate measurement data
• AS91582 Use statistical methods to make a formal inference
• AS91583 Conduct an experiment to investigate a situation using experimental design principles

Other Information

Your course is delivered 100% online. To complete this course you will need access to a computer or device, broadband internet and a data plan able to support online learning such as streaming of videos (including YouTube), downloading content and submitting online assessments. If you are unsure if your current computer/device or internet access allows you to complete your online learning with us, please contact us before applying to enrol. 

This course is worth 20 credits in total made up of Level 3 Unit Standards and Achievement Standards.

This course will start on the first Monday of the month you select for enrolment.  


This course is 100% internally assessed.

New Zealand Certificate in Study and Career Preparation (Level 3)

We also offer the New Zealand Certificate in Study and Career Preparation (Level 3). This online programme is an ideal way to start working towards your study and career goals if you have NCEA Level 1 (or equivalent). You will gain a range of skills to prepare you for higher level certificates, diplomas or degrees.

Key dates

Our open courses are open for enrolment every month. Each open course starts on the first Monday of the month you choose for enrolment. You must complete your study within the given start and end dates.

See key enrolment dates

Assessment and exam

Every course is assessed differently - some require assignments and others exams. Check the individual course pages for more information.

Information about assessment and exams

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