Discussion:
Q: Jerry's Bargain Department Store spent $50,000 on a training program to improve sales effectiveness of its employees. Below is a table of the before and after sales amounts for a random sample of employees who took the training program. Assume that data is recorded for an equal period of "before"-"after" time. Use the 1% level for risk. Process the data by Excel.
Person Before Training After Training Person Before Training After Training
CJ $38,747 $40,838 JZ $49,090 $53,700
TM $42,505 $48,555 HB $45,650 $49,799
JJ $35,464 $36702 TA $53,250 $55,404
DN $51,010 $52,910 ZK $60,990 $61,858
EW $48,575 $60,999 PL $58,344 $59,995
CH $32,377 $38,358 LD $44,012 $54,038
Given the processed data, describe what Jerry should do.