SEE SOMETHING, SAY SOMETHING

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SEE SOMETHING, SAY SOMETHING ACT RESPONSIBLY & SUPPORT the COMMUNITY. Be on Time Wear ID Chromebook Ready SEE SOMETHING, SAY SOMETHING

We will determine1 how to use and create dot plots. Learning Objective LEARNING OBJECTIVE What are we going to learn today? What is Determine means?_______. CFU Definition 1 figure out

We will determine how to use and create dot plots and histograms. Activate Prior Knowledge A dot plot is a data representation that uses a number line and Xs, dots, or other symbols to show frequency1. Dot plots are sometimes called line plots. Pair-Share: Partner-A: Explain what is a “Dot Plot” is? Partner-B: Explain what is “Frequency” means? CFU: Pair-Share Dot Plot Create and label a dot plot of the data On your whiteboard: Choose the number line with the most appropriate scale for this problem. Explain your reasoning. Create and label a dot plot of the data. Put an X above the number line for each time that value appears in the data set. Suppose that the list of salaries from the Explore is expanded to include the owner’s salary of $150,000. Now the list of salaries is 25, 30, 35, 35, 35, 40, 40, 40, 45, 45, 50, 60, and 150. Create a dot plot for the data set. CFU: Whiteboard Students, you already know how to create a dot plat from set of data points. Today, we will learn what statistics are most affected by outliers, and what shapes can data distributions have? Make Connection Outliers 1 the rate at which something occurs Vocabulary The second number line has the most appropriate scale. The scale of the first number line includes a larger range of numbers than necessary, so dots will be clustered in the middle. The scale of the third number line does not have convenient tick marks for determining where values between the labels belong.

Partner-A: Explain what is a “Outlier” is? We will determine how to use and create dot plots and histograms. Concept Development An outlier is a value in a data set that is much greater or much less than most of the other values in the data set. Determine the type of distribution and explain what the distribution means for the data set. CFU: Whiteboard Outliers affect the mean(X) more than the median, and they affect the standard deviation(Q) more than the IQR. If a data set includes an outlier, the mean can be increased or decreased significantly. This can make the mean misleading as a measure of center. The data for team B show a distribution skewed to the left. This means that more than half the team members ran a distance greater than the mean. Pair-Share: Partner-A: Explain what is a “Outlier” is? Partner-B: How does an outlier affect the mean and median of a data set? CFU: Pair-Share Remember: opposite labeling

Skill Development/Guided Practice

Skill Development/Guided Practice

What did you learn today about how to use and create dot plots. Word Bank Dot Plot Outlier Mean Median Symmetric Skewed to the left Skewed to the right. SUMMARY CLOSURE Today, I learned how to _________________________________________________________________________________.