1. Inferential Statistics

The table shows the number of crime novels in a bookshop for different price ranges.

Price of crime novel to nearest $\$5$$5 | Frequency |
---|---|

$5$5 | $5$5 |

$10$10 | $10$10 |

$15$15 | $17$17 |

$20$20 | $8$8 |

$25$25 | $17$17 |

$30$30 | $10$10 |

$35$35 | $5$5 |

a

Plot this data as a histogram.

b

Which of the following best describes the data in the graph and table?

Symmetrical

A

Right skewed

B

Left skewed

C

Uniform distribution

D

Symmetrical

A

Right skewed

B

Left skewed

C

Uniform distribution

D

Easy

Approx a minute

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Understand statistics as a process for making inferences about population parameters based on a random sample from that population.

Decide if a specified model is consistent with results from a given data-generating process, e.g. Using simulation.