Skip to content
BvunzoHub

Menu

Get full accessSign in

ZIMSEC A-Level Statistics

6.8Statistical inference

Statistical inference in ZIMSEC A-Level Statistics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic103 practice questions6 lessons
Practise this topicAll Statistics topics

In this topic

Lessons

  • Hypothesis tests for a binomial proportion and a Poisson mean

    50 min

    Full access

  • Hypothesis tests for a population mean (z-tests)

    45 min

    Full access

  • The language of hypothesis testing

    45 min

    Full access

  • Type I and Type II errors

    45 min

    Full access

  • Chi-squared tests: goodness of fit and independence

    50 min

    Full access

  • The t-distribution: small-sample intervals and t-tests

    45 min

    Full access

Join to read every lesson, or see what Full access includes.

Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Statistical inference: sample question

1 mark

A manufacturer claims that 10% of its light bulbs are faulty. A retailer believes the proportion is lower. Which tail of the binomial distribution contains the critical region?

Choose one answer

Turn Statistical inference into a strength.

Practise with instant marking, see your mastery grow and get a study plan built around your exam date.

Start learningStatistics topics