Data Science L4 starter

What is meant by a correlation?

• What is shown on the axis of a visualisation

• The relationship between two or more variables

What is the first stage in the investigative cycle?

• Conclusion

• Data

• Problem

• Plan

• Analysis

What happens in the plan stage of the investigative cycle?

• Gather the data. Once gathered, cleanse the data before moving onto the next step.

• Predict an answer to the question(s). Find a data set or plan to collect the data.

A positive correlation is where one variable increases when another variable increases

• True

• False

A negative correlation is where one variable decreases when another variable decreases

• True

• False

What is the last stage in the investigative cycle?

• Conclusion

• Data

• Problem

• Plan

• Analysis

When one point on a data visualisation stands out from the trend of the others this is called

• The odd one out

• The inlier

• The outlier

The A in the PPDAC cycle stands for

• Analysis

• Axis

• Aubergine

• Amazing

Visualise the data. Spot any patterns, trends, correlations, or outliers. Write down your observations of what the data is showing you.

Which stage of the investigative cycle is this?

• Problem

• Plan

• Data

• Analysis

• Conclusion

Answer the question and explain what the data reveals. Decide on a conclusion. Take action or form further questions to investigate

Which stage of the investigative cycle is this?

• Conclusion

• Data

• Problem

• Plan

• Analysis