7. Samples and Populations - CMS Goals

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Employ the process of statistical investigation to explore problems

Analyze data using tables, stem-and-leaf plots, histograms, and box-and-whiskers plots.

Compare data using measures of center (mean, median), measures of spread (range, percentiles), and data displays (stem-and-leaf plots, histograms, box-and-whiskers plots).

Explore relationships among data using scatter plots.

Distinguish between samples and populations, compare samples, and use information drawn from samples to make conclusions about populations.

Apply selected concepts form probability to understand the concept of randomness and to select random samples.

Explore concepts of representativeness and sample size as they relate to using random and nonrandom sample to draw conclusions about the characteristics of populations

Design a survey, focusing on how questions are asked.


1. Comparing Data Sets 

     1.1     Comparing Quality Ratings

     1.2    Using Box-and-Whisker Plots

     1.3    Comparing Prices

     1.4    Making a Quality Choice

     1.5    Comparing Quality and Price

               ACE Questions  (1 - 9 )

 

To engage in the process of statistical investigation.

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

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

To consider the properties of the mean and the median, particularly the influence of extreme values on the measure's calculations.

 

2.    Conducting Surveys

     2.1    Asking About Honesty

     2.2    Selecting a Sample

      2.3    Asking the Right Questions

               ACE Questions ( 1 - 15 )

 

To distinguish between a sample and a population

To consider various ways of developing a sampling plan

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

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

 

3.    Random Samples

     3.1    Choosing Randomly

     3.2    Selecting a Random Sample

     3.3    Choosing a Sample Size

              ACE Questions  ( 1 - 11 )

 

To select a random sample for a population

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

To use data form samples to estimate a characteristic of a population

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

 

4.    Solving Real-World Problems

     4.1    Solving an Archaeological Mystery.

     4.2    Simulating Cookies

               ACE Questions  ( 1 - 13 )

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

To use characteristics form a population to describe a sample.

To apply elementary probability in choosing random sample of data.