Skewed Left Median Skewed Right Unimodal with peak

Skewed Left Median

Skewed Right Unimodal with peak at $1500 -$2499 salary Gap from $8500 to $9499 and $10500 to $12499 Most are clustered between $500 and $4499 Possible high outlier at $1300 Median is about $3500 Range is $13000 and varies from $500 to $13500 Almost symmetric around 67 inches. Bimodal with peaks at 65 and 70 inches. Gap at 61 inches. Most are clustered between 63 and 73 inches. No outliers. Median is about 67 inches. Range is 14 inches and data varies from 60 to 74 inches.

Dotplot! Smart Phone Battery life (minutes) Apple i. Phone 300 Motorola Droid 385 Palm Pre 300 Blackberry Bold 360 Blackberry Storm 330 Motorola Cliq 360 Samsung Moment 330 Blackberry Tour 300 HTC Droid 460 Battery Life of Smart Phones Frequency 3. 5 3 2. 5 2 1. 5 1 0. 5 0 0 50 100 150 200 250 300 350 400 Battery Life (minutes) 450 500

Types of Graphs for Quantitative Variables • Stemplots – divide the data into “stems” and “leaves. ” • Leaves include the last digit (you can round if necessary) • It is imperative you have a key. In most cases, the stems are 10 and the leaves are 1’s

Back-to-Back Stem Plot Height of Males and Females in Mr. Fisher’s 6 th Period Math Class Female Male 3 3 2 15 1 4 9 8 8 8 7 15 7 9 4 3 3 1 0 0 16 2 3 9 9 8 7 6 6 5 5 16 5 5 7 9 17 4 17 5 6 7 18 0 3 18 7 Key: 15│1 represents a student who is 151 cm tall. Must have Key