a company manufacturing electronic toys has recently been taken over by another company. prior to the takeover of the company, certain workers were approached to ascertain their satisfaction levels. the same workers were again approached to know their satisfaction level after the takeover of the company. the two sets of data are given below. before 69 73 58 76 82 65 75 64 87 70 after 65 75 63 75 82 68 71 65 85 68