Helping you to assess what you have learnt throughout the previous lesson

In relation to data science, advances in technology has made it more feasible to do what?

What data might a video streaming service collect?

Which two of the following might be reasons why a video streaming service collect this data?

Global data –

Helping you to assess what you have learnt throughout this lesson. If image not credited, designed by Ben Garside.

What is meant by a correlation?

The visualisation below plots life expectancy (y-axis) against time (x-axis). What type of correlation does this visualisation show from 1949 onwards?

The following graph shows the annual average temperatures recorded by a weather station over a period of 20 years. Identify the outlier in the data.

Statistical state of mind –

In this lesson, we will learn about the investigative cycle PPDAC (problem, plan, data, analyse, conclusion) and apply part of this cycle to a data set about roller coasters.

Lesson overview:Statistical state of mind

Core Content

Data Science: