1. An assembly line consists of 158 tasks grouped into 9 workstations. The sum of all task times is 11.2 minutes. Cycle time for the line is 5.0 minutes. The efficiency of this line is approximately( )

2. Given an actual demand of 109, a previous forecast value of 104, and an alpha of 0.06, the exponential smoothing forecast for the next period would be( ).

3. A time series trend equation is 83 + 8.7 X. What is your forecast for period 3 ( )?

4. A foundry produces circular utility access hatches (manhole covers). If 93 covers are produced in a 25-hour shift, the productivity of the line is( )?

5. Gibson Valves produces cast bronze valves on an assembly line, currently producing 94 valves per shift. If the production is increased to 101 valves per shift, labor productivity will increase by( ).