S310 Second Assignment Refer to the traffic congestion cost table as the primary source of your observations, and do the followings; ONLY TYPED COPY IS ACCEPTED 1. Summarize the cost by calculating the mean and standard deviation for each region 2. Use a bar graph for this data set and show the five averages only on one graph. 3. Compare all the averages and standard deviations of five regions. This means write a small paragraph to state if there is a significant difference between the averages and standard deviation of these regions. Please Note: ONLY TYPED COPY IS ACCEPTED This is an individual project. ONLY TYPED COPY IS ACCEPTED Any similarity between two project which indicates any act of copying, or...will result zero score for all involved