very easy quetions needed in the next one hour.Am only paying $4 for this

EACH QUESTION IN SERIAL 1 TO 6 HAS HALF MARK AND THE LAST QUESTION NO 7 HAS 2 MARKS
1.Please indicate true or false
a.In multiple factor productivity, input and output units should be in same measuring units (True / False)
b.In project network, latest finish time is minimum of latest start of all following activities . (True / False)

2.Porter’s five forces model is important in operations strategy. Please mention these five forces are
a. ---------------------------
b.------------------------------
c.------------------------------
d.---------------------------
e.--------------------------
3. Formula for calculating variance of activity time is given by
(please give the formula)------------------------------------------------------------
4.Exponential moving average technique of forecasting is a form of weighted moving average, It derives its name exponential from ----------------------------- (Fill up the blank)
5In quality controls, six sigma, number of defects are ----------------------- whereas in 3 sigma this is ----------------------(Please fill up the blanks)
6. In centre of gravity method for location decision, what are the coordinates and how centre of gravity are calculated. Please give the formula used.

7. What are the major differentiation strategies followed by global, international, multinational and multi-domestic companies for operations management areas. Please indicate these from low to high levels for cost reduction and response time in differentiation strategies. (Marks 2)