ZNChloe
Σ Statistics
Volume 7 of 8

Statistics & Probability

Data, Graphs, Analysis & Chance

📚 Grades 5–8 6 Units 30 Weeks 150 Lessons 🟡 Intermediate

The math of data and chance. Statistics teaches you to collect, display, and interpret information. Probability teaches you to reason about uncertainty. Together they power everything from weather forecasts to sports analytics to medical research. This volume gives you the tools to understand the world through numbers.

6

Units

30

Weeks

150

Lessons

Grades 5–8

Level

6

Unit Tests

What You Will Learn in Volume 7

📊

Data & Graphs

📐

Mean, Median, Mode

📦

Box Plots

🎲

Probability

📉

Scatter Plots

🔮

Predictions

Volume 7 — Full Unit Breakdown

Click any unit to see all weekly topics and lessons

Week 1

Types of Data

  • • Categorical data
  • • Numerical data
  • • Discrete vs. continuous
  • • Surveys & questionnaires
  • • Frequency tables

Week 2

Bar Graphs & Line Graphs

  • • Reading bar graphs
  • • Creating bar graphs
  • • Double bar graphs
  • • Line graphs
  • • Identifying trends

Week 3

Histograms & Dot Plots

  • • Histograms
  • • Frequency intervals
  • • Dot plots
  • • Shape of distributions
  • • Clusters & gaps

Week 4

Circle Graphs & Stem-Leaf

  • • Circle graphs
  • • Percents in circle graphs
  • • Stem-and-leaf plots
  • • Back-to-back stem-leaf
  • • Choosing the right graph

★ Week 5

Unit 1 Review & Test

  • • Review all graph types
  • • Create & interpret graphs
  • • Data collection review
  • • Mixed graph problems
  • • ★ Unit 1 Test

Week 6

Mean

  • • What is the mean?
  • • Calculating the mean
  • • Mean with larger data sets
  • • Effect of outliers on mean
  • • Mean in real life

Week 7

Median & Mode

  • • Finding the median
  • • Median with even data
  • • Finding the mode
  • • Multiple modes
  • • No mode

Week 8

Range & IQR

  • • Range
  • • Quartiles Q1 & Q3
  • • Interquartile range
  • • Outliers using IQR
  • • Spread vs. center

Week 9

Box Plots

  • • Five-number summary
  • • Drawing box plots
  • • Reading box plots
  • • Comparing box plots
  • • Outliers on box plots

★ Week 10

Unit 2 Review & Test

  • • Review mean/median/mode
  • • Review range & IQR
  • • Review box plots
  • • Choosing measures
  • • ★ Unit 2 Test

Week 11

Intro to Probability

  • • What is probability?
  • • Certain vs. impossible
  • • Likely vs. unlikely
  • • Probability scale 0–1
  • • Simple events

Week 12

Theoretical Probability

  • • P(event) = favorable/total
  • • Sample space
  • • Equally likely outcomes
  • • Probability as fraction
  • • Complement of an event

Week 13

Experimental Probability

  • • Running experiments
  • • Recording outcomes
  • • Relative frequency
  • • Law of large numbers
  • • Comparing to theoretical

Week 14

Compound Events

  • • AND events
  • • OR events
  • • Tree diagrams
  • • Counting outcomes
  • • Organized lists

★ Week 15

Unit 3 Review & Test

  • • Review theoretical probability
  • • Review experimental
  • • Review compound events
  • • Mixed probability problems
  • • ★ Unit 3 Test

Week 16

Populations & Samples

  • • Population vs. sample
  • • Why we use samples
  • • Random sampling
  • • Biased vs. unbiased
  • • Sample size

Week 17

Drawing Conclusions

  • • Generalizing from a sample
  • • Making predictions
  • • Margin of error idea
  • • Comparing samples
  • • Real-world examples

Week 18

Comparative Statistics

  • • Comparing two data sets
  • • Comparing means
  • • Comparing spreads
  • • Double box plots
  • • Which group is "better"?

Week 19

Two-Way Tables

  • • Creating two-way tables
  • • Joint frequency
  • • Marginal frequency
  • • Relative frequency tables
  • • Interpreting associations

★ Week 20

Unit 4 Review & Test

  • • Review sampling
  • • Review inference
  • • Review two-way tables
  • • Mixed problems
  • • ★ Unit 4 Test

Week 21

Reading Scatter Plots

  • • What is a scatter plot?
  • • Plotting ordered pairs
  • • Reading data points
  • • Identifying patterns
  • • Real-world scatter plots

Week 22

Correlation

  • • Positive correlation
  • • Negative correlation
  • • No correlation
  • • Strong vs. weak
  • • Correlation ≠ causation

Week 23

Line of Best Fit

  • • Drawing a trend line
  • • Line of best fit
  • • Slope of trend line
  • • y-intercept meaning
  • • Using the line

Week 24

Making Predictions

  • • Interpolation
  • • Extrapolation
  • • Reliability of predictions
  • • Residuals idea
  • • Real-world predictions

★ Week 25

Unit 5 Review & Test

  • • Review scatter plots
  • • Review correlation
  • • Review line of best fit
  • • Prediction problems
  • • ★ Unit 5 Test

Week 26

Independent & Dependent Events

  • • Independent events
  • • Dependent events
  • • Multiplying probabilities
  • • With vs. without replacement
  • • Practice problems

Week 27

Counting Methods

  • • Fundamental counting principle
  • • Permutations idea
  • • Combinations idea
  • • Factorial notation
  • • Probability with counting

Week 28

Simulations

  • • What is a simulation?
  • • Designing simulations
  • • Using random numbers
  • • Running simulations
  • • Analyzing results

Week 29

Full Year Review

  • • Graphs & data review
  • • Measures of center review
  • • Probability review
  • • Scatter plots review
  • • Practice test

★ Week 30

Year-End Assessment

  • • Full year review
  • • Test prep
  • • Practice test
  • • Review corrections
  • • ★ Year-End Test

Ready to Explore Data & Probability?

Visit the Classroom for video lessons or ask ZNChloe any statistics question — step by step!