1. Finding the Standard Deviation
Finding the Standard Deviation

2. Do Now
With your calculator,
make a histogram of this data set.
{4, 5, 6, 10, 10, 15, 15, 15, 16, 16, 16, 16, 16, 16, 17}
Is is skewed left, skewed right, or normal?

3. Objective
Calculate and use measures of center and spread (range, interquartile range, standard deviation) to interpret differences in data sets.
Agenda Create data sets (10) class
Standard Deviation Activity (30) groups
Homework Help (10) individual
Closure/Exit Ticket (10) class/individual

4. Class Problem
A recent article says that teenagers send an average of 100 text messages per day. If I collected data from 6 teenagers, what could the possible data set look like to get this average?

5. Exit Ticket
Will the following data have a large standard deviation or low standard deviation? Why? 3, 24, 39, 42, 45, 46, 67, 68, 79, 88