any help would be greatly appreciated

14 The time In seconds it takes for 20 Individual sewing machines to stitch a border onto a particular garment Is listed below, Calculate the mean stitching time, the variance, and the standard deviation. (Round the "mean time" and "variance" to the nearest tenth and "standard deviation" to the nearest hundredth.) 218 points 59 60 71 56 55 Skipped 74 61 62 64 58 50 74 68 58 60 56 69 54 59 65 -Book Mean time Print Variance Standard deviation