5.1.3

Relative & Expected Frequency

Test yourself on Relative & Expected Frequency

Test your knowledge with free interactive questions on Seneca — used by over 10 million students.

Relative and Expected Frequency

The relative frequency of each outcome can be calculated after a probability experiment.

Formula

Formula

  • Relative frequency = frequency ÷ number of trials.
    • If a dice was rolled 150 times and the result was a 4 in 25 of those rolls then the relative frequency of 4 was 25 ÷ 150 = 16.
Expected frequency

Expected frequency

  • The relative frequency of an outcome in one experiment can be used to calculate the expected outcomes of future experiments:
    • expected frequency = relative frequency × number of trials
Fair or biased?

Fair or biased?

  • If the relative frequency of a result is very different from what you’d expect from a fair dice or coin then you can conclude that the dice or coin is probably biased.
  • Otherwise you can conclude that it is probably fair.
Jump to other topics
1

Number

1.1

Place Value & Ordering

1.2

Numerical Operations

1.3

Structure of Calculations

1.4

Fractions

1.5

Numerical Operations on Fractions

1.6

Roots & Powers

1.7

Numerical Skills

1.8

Factors & Multiples

1.9

Surds

1.10

Standard Form

1.11

Fractions, Decimals & Percentages

1.12

Percentage Change

1.13

Rounding & Estimation

1.14

Bounds & Accuracy

1.15

Using Numbers

1.16

Fractions, Decimals & Percentages

1.17

Powers & Roots

1.18

Accuracy

2

Algebra

2.1

Algebraic Notation

2.2

Substitution & Simplification

2.3

Brackets

2.4

Algebraic Fractions

2.5

Rearranging

2.6

Functions

2.7

Solving Linear Equations

2.8

Inequalities

2.9

Solving Quadratic Equations

2.10

Simultaneous Equations

2.11

Iteration

2.12

Sequences

2.13

Linear Graphs

2.14

Introduction to Algebra

2.15

Manipulating Algebra

2.16

Proofs & Functions

2.17

Straight Line Graphs

2.18

Common Graphs

2.19

Transformations & Tangents

2.20

Properties of Graphs

2.21

Solving Equations

2.22

Inequalities

2.23

Sequences

3

Ratio

3.1

Unit Conversions

3.2

Compound Units

3.3

Ratio Fundamentals

3.4

Advanced Ratio and Scale

3.5

Proportion

3.6

Algebraic Proportion

3.7

Ratios in Practice

3.8

Manipulating Ratios

3.9

Percentage & Interest

3.10

Proportion

3.11

Gradient

4

Geometry

4.1

Area & Perimeter

4.2

Angles

4.3

Trigonometry

4.4

Similarity & Congruence

4.5

Circle Geometry

4.6

Circle Theorems

4.7

Pythagoras

4.8

Surface Area

4.9

Volume

4.10

Vectors

4.11

Introduction to Geometry

4.12

Triangles & Quadrilaterals

4.13

Transformations

4.14

Circle Basics

4.15

Circle Theorems

4.16

Measurements & Units

4.17

Calculating Area

4.18

Triangle Formulae

4.19

3D Shapes

4.20

Vectors

5

Probability

6

Statistics

Practice questions on Relative & Expected Frequency

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
Answer all questions on Relative & Expected Frequency

Unlock your full potential with Seneca Premium

  • Unlimited access to 10,000+ open-ended exam questions

  • Mini-mock exams based on your study history

  • Unlock 800+ premium courses & e-books

Get started with Seneca Premium