Statistical state of mind

Computing

Data Science

The relationship between two or more variables

When there is a set of data that doesn’t lie in the normal or expected range

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.

Collect, store and analyse large volumes of data

Data to be analysed at a local level, it is still not possible to analyse data sets that collect global data

Store large volumes of data but data collection still needs to be done manually

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

Users' favourite actors/directors based on their viewing habits

Users' favourite genre based on their viewing habits

What data might a video streaming service collect?

To make decisions about what movies or TV shows they might commission

To make personalised recommendations to their customers about what movies or TV shows they might enjoy

To store and pass on to other companies without your permission

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

Starter Quiz