1. a) A survey was given to 36 people asking how many pets they own. The table shows the results. Determine the mean, median, and mode number of pets (rounding your answers to the nearest tenth {one decimal place} when necessary}. b) Calculate the sample mean and then the sample standard deviation for the following lengths of jeans, in inches (rounding your answers to the nearest tenth (one decimal place) when necessary}. 31.4 34.2 33.7 33.8 32.9