Other tags that relate to Stats Statements
Random variables. Maths Supporting SET. Mathematical modelling. Probability distributions, expectation and variance. Averages. Chemistry. Physics. Theoretical probability. Biology. Investigations.There are 16 results
Broad Topics > Advanced Probability and Statistics > Probability distributions, expectation and variance
Stats Statements
Age 16 to 18
Challenge Level
Are these statistical statements sometimes, always or never true? Or it is impossible to say?
Time to Evolve 2
Age 16 to 18
Challenge Level
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Aim High
Age 16 to 18
Challenge Level
How do you choose your planting levels to minimise the total loss at harvest time?
What's Your Mean?
Age 16 to 18
Challenge Level
Can you work out the means of these distributions using numerical methods?
What Is a Random Variable, Really?
Age 16 to 18
This article offers an advanced perspective on random variables for the interested reader.
Spinners
Age 16 to 18
Challenge Level
How do scores on dice and factors of polynomials relate to each other?
Into the Exponential Distribution
Age 16 to 18
Challenge Level
Get into the exponential distribution through an exploration of its pdf.
Can You Find ... Random Variable Edition
Age 16 to 18
Challenge Level
Can you create random variables satisfying certain conditions?
Binomial Conditions
Age 16 to 18
Challenge Level
When is an experiment described by the binomial distribution? Why do we need both the condition about independence and the one about constant probability?
Binomial or Not?
Age 16 to 18
Challenge Level
Are these scenarios described by the binomial distribution?
Random Inequalities
Age 16 to 18
Challenge Level
Can you build a distribution with the maximum theoretical spread?
Understanding Hypotheses
Age 14 to 18
This article explores the process of making and testing hypotheses.
Statistics - Maths of Real Life
Age 14 to 18
Challenge Level
This pilot collection of resources is designed to introduce key statistical ideas and help students to deepen their understanding.
Data Matching
Age 14 to 18
Challenge Level
Use your skill and judgement to match the sets of random data.
Exponential Intersection
Age 16 to 18
Challenge Level
Can the pdfs and cdfs of an exponential distribution intersect?
A Well-stirred Sample
Age 16 to 18
Challenge Level
Typical survey sample sizes are about 1000 people. Why is this?
NRICH is part of the family of activities in the Millennium Mathematics Project.