## Statistical Methods and Calculation SkillsThis third edition aims to equip students with the skills to apply statistical analysis and quantitative techniques in research and the working environment where their knowledge can lead to effective decision-making. The book effectively combines theory and practice in providing: A theoretical framework for statistical problem-solving; A practical step-by-step approach to applying methods and calculations; A complete list of outcomes in each unit; Worked examples with detailed explanations; Practice in the form of guided activities and a range of self-test questions. The contents include the collection and presentation of data, descriptive measures, index numbers, regression and correlation analysis, time series, probability and probability distributions, statistical estimation and hypothesis testing. Calculation skills are revised in Part 2, a section that covers technology, elementary calculations, percentages and ratios, equations, graph construction and interest calculations. This edition includes examples and activities which cover not only the business field, but also food and biotechnology, engineering, medicine and environmental studies. |

### What people are saying - Write a review

User Review - Flag as inappropriate

It is frustrating that there is no solutions to the "Test Yourself" sections. There is thus no way how you can compare your answers to see if you are correct

User Review - Flag as inappropriate

The self test questions have no answers... So what's the point if I can't know whether I've answered wrong or right?

Very frustrating...:(

### Contents

Introduction | 3 |

Test yourself 2 | 23 |

Summarising data using numerical descriptors | 60 |

Test yourself 4 | 97 |

Index numbers | 102 |

Test yourself 6 | 126 |

Test yourself 7 | 144 |

Test yourself 8 | 166 |

Hypothesis testing | 198 |

Test yourself 11 | 215 |

CALCULATION SKILLS | 221 |

Percentages and ratios | 243 |

Test yourself 13 | 251 |

Test yourself 14 | 257 |

Test yourself 15 | 267 |

Test yourself 9 | 184 |

### Common terms and phrases

acrylamide Activity amount answer arithmetic mean base period bicycle commuters bread roll Calculate Class boundaries Class intervals column compounded confidence interval Construct cost Count the number critical value data set data values decimal determine dividing Draw equation estimate event Example f-distribution Find the probability five-number summary Forecast formula fraction frequency distribution frequency table Gauteng graph grouped data hypothesis index numbers indicates interest Interpret interval estimate level of significance measure median method minutes mode monthly moving average multiply normal distribution normal table number of hours number of observations obtain occur percentage positive possible outcomes probability distribution proportion quantity quartile random sample randomly selected reject H rejection region relationship result Round sample mean sample statistics significant digits skewed standard deviation statistics subtract summarised trend two-tailed unit variable whole number x-axis x-value y-axis z-score z-test zero