Nexus 7 vs. Kindle Fire vs. Nook Tablet: $199 tablets

Nexus 7 vs. Kindle Fire vs. Nook Tablet: Battle of the $199 tablets | Android Atlas - CNET Reviews

Google Nexus & Nexus 7 & Nexus Q

Nexus 7 (8GB) - Google Play, $199

Google Nexus (phone) $349

Nexus Q, $299

Bar Charts vs. Histograms

Bar chart: categories, boxes separated


Histogram: continuous data, boxes connected



Bar Charts and Histograms:

Bar Graphs and Histograms

With bar charts, each column represents a group defined by a categorical variable;
with histograms, each column represents a group defined by a quantitative variable.

Statistics 101 @ Udacity