Use your Graphing Calculator to find the mean and standard d…
Use your Graphing Calculator to find the mean and standard deviation of the following grouped frequency table. Group Frequency 44.5 – 49.5 12 49.5 – 54.5 7 54.5 – 59.5 8 59.5 – 64.5 10 64.5 – 69.5 7 69.5 – 74.5 9 74.5 – 79.5 2 The mean is (Round to 3 decimal places as needed) The standard deviation is (Round to 3 decimal places as needed)