Following are the weights in kg of 8 students of a class 48.5, 50, 44.5, 49.5, 50.5, 45 , 51, 43 . find the mean weight, what will be the weight if a student of 55 kg is also included?

*insert ribbon > table drop-down menu* would allow you to insert a quick table

Ocr stands for optical character recognition. so the choice is straight forward.

Ibelieve the answer is: b.  use a different transition for every slide to keep the audience's attentiona. that would make it boringc. sound effects might be distracting and some people might find it annoyingi hope that : )