Worksheets9.5.4 - Retrieval
Total questions: 24
Worksheet time: 35mins
What is meant by a correlation?
The relationship between two or more variables
When there is an upward trend in a graph
When there is a set of data that doesn’t lie in the normal or expected range
When data is placed in a graph
The visualisation here plots life expectancy (y-axis) against time (x-axis). What type of correlation does this visualisation show from 1949 onwards?
Positive
Negative
Neutral
No correlation is visible
This graph shows the annual average temperatures recorded by a weather station over a period of 20 years. Identify the outlier in the data.
Point A
Point B
Point C
Point D
A correlation shows that two things
Are Related
Cause Each Other to Happen
Are Unrelated
Correlation or Causation?
The speed you drive and the amount of fuel you use
Correlation
Causation
Correlation or Causation?
The inches of snowfall and the number of heart attacks
Correlation
Causation
Correlation or Causation?
Number of followers on social media and number of posts
Correlation
Causation
Correlation or Causation?
When it rains several inches, the water level of a lake increases
Correlation
Causation
Correlation or Causation?
The number of cold, snowy days and the amount of hot chocolate sold at a ski resort.
Correlation
Causation
Which example shows CAUSATION?
Taller people have larger shoe sizes and shorter people have smaller shoe sizes.
If you exercise, the calories burned per minute increases.
Which example shows CAUSATION? (Which one CAUSED the other to happen.)
Rainfall and time spent reading.
Eating more butter and increased divorce rates.
It started raining and the baseball game was delayed.
Which example shows CAUSATION? (Which one CAUSED the other to happen.)
Being happy and being a better student.
An insect ate poison and it died.
Correlation or Causation: how many chicken nuggets you eat and the job you will pursue?
Correlation
Causation
Correlation or Causation: the number of bus stops increases, the number of car sales decreases?
Correlation
Causation
Correlation or Causation: when it rains several inches, the water level of a lake increases?
Correlation
Causation
Correlation or Causation: when ice cream sales increase, incidents of sunburn increase?
Correlation
Causation
Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34
7
23
31
34
Which of the following numbers is the outlier?
34, 75, 82, 95, 100, 100
75
34
95
100
The data in the table represents the ages of several people in a class. What effect does Mr. Smith’s age have on the data set?
Mr. Smith’s age increases the mode of the data.
Mr. Smith’s age decreases the mean of the data.
Mr. Smith’s age increases the mean of the data.
Mr. Smith’s age increases the median of the data.
What type of trend is being shown in this visualisation?
Positive
Negative
Q2. Which of the following best describes a data visualisation?
A. Presenting related data so that a user can see individual items of data
B. Making sure that data is accessible and that no data is hidden
C. A visual representation that communicates relationships among the data
D. A collection of graphs that tell a story when put together
Visual representation of data (such as charts and graphs) intended to help an audience process the information more easily are known as ________?
Chart design
Infographics
Data visualisations
Who created this well regarded visual representation?
Joseph Minard
John Snow
Michael Garibaldi
