AP-13 How Much Do Californians Pay for Electricity? [41 Application: Mean and Standard Deviation Suppose 3 regions in CA have the following average electric bills (in dollars), as shown in the table below. ------- lm-ms: Valle mum-\"www- Coast \"nu-\"HE\" Coast 1. Find the mean electric bill and standard deviation for each of the 3 regions, using the Tl-84 calculator. 2. Compare the means and standard deviations of the 3 regions. What observations can you make? 3. Compare the electric bills of the 3 regions at specific times of the year. What observations can you make? 4. What other analysis of this data do you think would provide insight or understanding