Constructing time series graphs

12 questions

1. __________ is the mathematical term for a data point that is extremely large or small compared to the rest of the dataset.
2. Which of these points are not outliers?
3. Lucas says that he has a dataset with no outliers. Could Lucas be correct?
4. The scatter graph shows information about population and number of cars in a set of towns. Each point represents a town. Match each outlier to the correct statement.
5. Izzy says you should always ignore an outlier. Is Izzy correct?
6. Andeep says you should not show the outlier on a scatter graph. Is Andeep correct?
7. A ___ graph is used to show data over a time period.
8. Izzy records how many birds appear in her garden over the course of a day. Here is her time-series graph. Izzy should label the horizontal axis ___. (Do not include units in your answer).
9. A point on this axis has been labelled p. The value of p is ___.
10. Jun plots a time series graph using time intervals that are regular and quarterly. The first month on his graph is April, the next quarter starts with the month of ___.
11. The time-series graph shows information about internet connection in Great Britain in households with 1 adult aged over 65. In 2015, approximately ___ % of households have internet access.
12. The time series graph to show the temperatures in Sheffield between 2012 and 2019. In how many quarters does the mean maximum temperature reach over 20°C ? ___ quarters.

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