Statistics

New Zealand

Level 3

Lesson

Creating lists and tables helps us compare data, for things such as favourite sports, weather and many more things. We can then show our data in a column graph, to help us compare our data.

Let's watch a video to see how.

Ben asked $35$35 people about how many siblings they have. He found that $12$12 people had no siblings, $15$15 people had one sibling, $3$3 people had two siblings and $5$5 people had three siblings.

Write Ben's results in the frequency table below.

Number of Siblings Frequency $0$0 $\editable{}$ $1$1 $\editable{}$ $2$2 $\editable{}$ $3$3 $\editable{}$

Mr. Smith asked his $42$42 students about what they want to be when they grow up. $10$10 wanted to be a doctor, $12$12 wanted to be a teacher, $6$6 wanted to be a civil engineer, and $14$14 wanted to be a politician.

Which list shows the correct positions $A$`A`, $B$`B`, $C$`C`, $D$`D`.

Job | Frequency |
---|---|

$A$A |
$10$10 |

$B$B |
$12$12 |

$C$C |
$6$6 |

$D$D |
$14$14 |

A- teacher

B- doctor

C- politician

D- civil engineer

AA- doctor

B- politician

C- civil engineer

D- teacher

BA- politician

B- teacher

C- civil engineer

D- doctor

CA- doctor

B- teacher

C- civil engineer

D- politician

D

The table shows the number of people who visited Disneyland between 2008 and 2012.

Year | Number of people (in hundred thousands) |
---|---|

2008 | $158$158 |

2009 | $155$155 |

2010 | $155$155 |

2011 | $157$157 |

2012 | $160$160 |

Use the table to complete the chart.

Conduct investigations using the statistical enquiry cycle: – gathering, sorting, and displaying multivariate category and wholenumber data and simple time-series data to answer questions;– identifying patterns and trends in context, within and between data sets; – communicating findings, using data displays

Evaluate the effectiveness of different displays in representing the findings of a statistical investigation or probability activity undertaken by others.