Warm Up Use the dot plot to answer the following. 1.Which dot plot has a larger range? What is the range of that dot plot ? 2.What is the largest bear.

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Warm Up Use the dot plot to answer the following. 1.Which dot plot has a larger range? What is the range of that dot plot ? 2.What is the largest bear measured? 3.What looks to be the center of the female bears?

Objective Students can create a histogram from a set of data Language objective – Students can describe what a histogram is.

Get into teams 1. Check over your answers 1-3 and be prepared to share your definitions with the class.

Team investigation 1 Get into your teams and turn to page 76. Read starting at investigation 1. Use the note guide to answer the questions in the book. Your team will be responsible for defining the following words. RangeSkewed to the right Shape Skewed to the left Dot Plot Histogram

Team definitions (checkpoint 1) Range-the difference between the maximum and the minimum number Max value – Min Value Shape- the outline of the total graph. To describe the shape you must have whether it is skewed or normal. Skewed left- when the tail of the distribution stretches to the smaller values or to the left Skewed Right – When the tail of the distribution stretches to the right or the larger values

Calculations  How to calculate Range  How to estimate the Center (Mean) of a distribution

A histogram

In teams complete 4-6 Be sure you know what a histogram is and how it displays data. Be prepared to discuss

Homework  Pg. 83 CYU  Part a and b (just the histogram)