Statistics and Probability · Data and Probability

Standard Deviation and Data Comparison

Using measures of spread to compare different datasets and evaluate consistency.

Key Questions

  1. 1What does a high standard deviation tell us about the reliability of a mean value?
  2. 2How can two datasets have the same mean but represent completely different real world situations?
  3. 3In what scenarios would the interquartile range be a better measure of spread than the standard deviation?

MOE Syllabus Outcomes

MOE: Statistics and Probability - S4
Level: Secondary 4
Subject: Mathematics
Unit: Statistics and Probability
Period: Data and Probability

Suggested Methodologies

Ready to teach this topic?

Generate a complete, classroom-ready active learning mission in seconds.

Generate a Custom MissionBrowse Lesson Plan Templates

More in Statistics and Probability

Correlation and Regression

Using scatter diagrams and lines of best fit to determine the strength of relationships between variables.

2 methodologies

Probability of Combined Events

Calculating probabilities for independent and dependent events using tree diagrams and Venn diagrams.

2 methodologies

Browse curriculum by country

AmericasUSCAMXCLCOBR
EuropeUKIEFRDEESITNLPTSE
Asia & PacificINSGAU