On Canvas in the data file you will find the following data set: weights (Ibs) of discarded plastic collected in one week 1) Complete the frequency table below. Weight (Ibs) frequency relative frequency (%) 0-.49 50-.99 1.00-1.49 1.50-1.99 2.00-2.49 2.50-2.99 3.00-3.49 3.50-3.99 4.00-4.49 4.50-4.99 2) Create a histogram with an appropriate title and labeled axes. For full credit, do it in Excel. 3) How many peaks does the data have? Is it symmetrical, right skewed or left skewed? 4) Eight people are having dinner together in a restaurant. Their hourly salaries are $12, $14, $15, $15, $20, $40, $50, $300. Find the mean median and mode of this set of data. Which of these numbers gives the best description of the center of this data? Identify the population, the sample, the population parameter and the sample statistic. (8 points each) 5) A Pew Forum survey from a nationwide sample of 4,013 adults, 18 years of age or older, finds that "nearly one-in-five American adults (18%) say they have seen or been in the presence of ghosts." 6) A survey of 250 New Mexico drivers shows that 98% have talked on the phone while driving. Identify the type of study: observational study or experiment. Briefly explain your choice. 7) To determine if tip amounts are affected by the quality of service, researchers randomly assign diners to two groups. One group is given particularly good service, and the other group is given deliberately slow and discourteous service