Investigation 1:  COMPARING DATA SETS        (SE pg  5 – 23 ) –  5 days

q    To engage in the process of statistical investigation.

q    To compare data using tables, stem-and-leaf plots,histograms, and box-and-whiskers plots.

q    To compare data using measures of center (mean and median) and measures of spread (range).

q    To consider the properties of the mean and the median, particularly the influence of extreme values on each measure’s calculation.

GLE 1.4.5 GR 7  Read and interpret data presented in diagrams, stem‑and‑leaf plots, scatter plots, and box‑and‑whisker plots.

q Read and interpret the data… box-and-whiskers plot

q Explain statistical information, including median, range, inter‑quartile range, for a given box‑and‑whisker plot

GLE 4.1.2 GR 8  Extract numerical, measurement, geometric, probability, statistical, and/or algebraic information from multiple sources. 

q Extract and use mathematical information from ….. box‑and‑whisker plot

GLE 4.2.2 GR 8  Represent numerical, measurement, geometric, probability, statistical, and/or algebraic information in graphs or other appropriate forms.   

q Represent mathematical information ….. box‑and‑whisker plot

0 @  Foundation

0 @  Adaptation

1 @Remediation

   2 - CORE

3  Enrichment

4 – 5  Enhancement

  6 Extension

Additional Practice – Investigation 1

Webpage: Creating a Box-and-Whiskers

Webpage: When to Use a Box-and-Whiskers

Webpage: Box-and-Whiskers Guided Practice & Quiz
Reading a Box-and-Whiskers on Student Height

Learn: CONDUCTING SURVEYS          Inv. 2 (SE pg 24  – 36 ) –  4 days

q    To distinguish between a sample and a population.

q    To consider various ways of developing sampling plan.

q    To use data from a sample to make predictions about a population.

q    To design a survey, focusing on how questions are asked.

GLE 1.4.3 GR 8  Describe how different samples of a population may affect the data collected. 

q    Describe bias in population samples and explains a procedure for selecting an unbiased representative sample.

q    Examine the results of a survey given to two different sample groups to determine if differences in survey results were caused by differences in samples

q    Select an appropriate population for a given survey question.

0 @  Foundation

0 @  Adaptation

1 @Remediation

   2 - CORE

3  Enrichment

4 – 5  Enhancement

  6 Extension

Website: Difference between a Sample and a Population

Learn: RANDOM SAMPLES     Inv. 3 (SE pg  37 – 48 ) – 4 days

q    To select a random sample from a population.

q    To use sampling distributions, measures of center, and measures of spread to describe and compare samples.

q    To use data from samples to estimate a characteristic of a population.

q    To apply elementary probability work with spinners or calculators to choose random samples of data.

GLE 1.4.3 GR 8  Describe how different samples of a population may affect the data collected. 

q    Describe bias in population samples and explains a procedure for selecting an unbiased representative sample.

q    Examine the results of a survey given to two different sample groups to determine if differences in survey results were caused by differences in samples

q    Select an appropriate population for a given survey question.

GLE 4.1.2 GR 8  Extract numerical, measurement, geometric, probability, statistical, and/or algebraic information from multiple sources. 

q Extract and use mathematical information from ….. scatter plot

0 @  Foundation

0 @  Adaptation

1 @ Remediation

   2 - CORE

3  Enrichment

4 – 5  Enhancement

  6 Extension

Interactive Website: Biased Sampling

The Challenger Disaster – A Scatter Plot Application
 

Learn: SOLVING REAL-WORLD PROBLEMS   Inv. 4 (SE pg  49  – 62 ) – 3  days

q    To use data from samples to estimate a characteristic found in a population.

q    To use characteristics from a population to describe a sample.

q    To apply elementary probability in choosing random samples of data.

GLE 1.4.5 GR 7  Read and interpret data presented in diagrams, stem‑and‑leaf plots, scatter plots, and box‑and‑whisker plots.

q Read and interpret the data… tables, graphs

0 @  Foundation

0 @  Adaptation

1 @ Remediation

   2 - CORE

3  Enrichment

4 – 5  Enhancement

  6 Extension

Webpage: Sampling Populations and Bias-High School Back Pack Color