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Stat Soft: Getting Started With Statistics Concepts
Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.
Illustrative Mathematics
Illustrative Mathematics: S Id Math Test Grades
Ari has collected data on how much her classmates study each week and how well they did on their recent math test. Here is part of the data showing the percentage of each group (divided according to hours spent studying) who got B's or...
Illustrative Mathematics
Illustrative Mathematics: S Ic Block Scheduling
A random sample of 100 learners from a specific high school resulted in 45% of them favoring a plan to implement block scheduling. Is it plausible that a majority of the students in the school actually favor the block schedule? Learners...