Resources tagged with: Sampling and hypothesis testing

There are 14 NRICH Mathematical resources connected to Sampling and hypothesis testing, you may find related items under Advanced probability and statistics.

Problem Primary curriculum Secondary curriculum

Chi-squared Faker

How would you massage the data in this Chi-squared test to both accept and reject the hypothesis?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Reaction Timer Timer

How can you time the reaction timer?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Very Old Man

Is the age of this very old man statistically believable?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Sleep: the Silent Killer

"Too much sleep is deadly" proclaimed the newspaper headline. Is this true?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

A Well-stirred Sample

Typical survey sample sizes are about 1000 people. Why is this?

Age 16 to 18

Challenge Level

Article Live Primary curriculum Secondary curriculum

The Surveyor Who Came to Tea

This article discusses how a survey company carries out its surveys and some of the issues involved.

Age 14 to 18

Article Live Primary curriculum Secondary curriculum

Challenging Data Tasks: The Making of "Where Are You Flying?"

How was the data for this problem compiled? A guided tour through the process.

Age 16 to 18

Problem Primary curriculum Secondary curriculum

Hypothetical Shorts

Some short statements about hypothesis testing: are they true, false, or somewhere in between?

Age 16 to 18

Challenge Level

List Primary curriculum Secondary curriculum

Statistics - Maths of Real Life

This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.

Age 14 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Powerful Hypothesis Testing

How effective are hypothesis tests at showing that our null hypothesis is wrong?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Robin's Hypothesis Testing

How many trials should we do in order to accept or reject our null hypothesis?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Chance of That

What's the chance of a pair of lists of numbers having sample correlation exactly equal to zero?

Age 16 to 18

Challenge Level

Problem Primary curriculum Secondary curriculum

Snow and Cholera

What information helped medical pioneers decide on the cause of a disease? Especially in a time before microscopes were as powerful as they are today ?

Age 14 to 16

Challenge Level

Problem Primary curriculum Secondary curriculum

Counting Fish

I need a figure for the fish population in a lake. How does it help to catch and mark 40 fish?

Age 14 to 16

Challenge Level