Urgent Question must be done as soon as possible please!

as X X COA The waiting times of a randomly selected 6 customers at a busy cafe are given below Fill in the blank in the table a) X 10 13 16 17 18 22 b) Calculate Mean waiting time c) Fill in the blanks in the table X 10 13 16 17 18 22 E (X- mean)2 d) Calculate Variance round off to two decimal places e) Calculate Standard Deviation round off two decimal places f) Calculate the median g) Describe the shape of distribution (symmetrical or positive skew or negative skew) IX PrtSon F1 F2 Hom F3 F4 F5 F6 F7