Determining equal period of before-after time

Reference no: EM1320835

Q1) John's Bargain Department Store spent= $50,000 on training program to improve sales effectiveness of its employees. Below is table of before and after sales amounts for random sample of employees who took training program. Suppose that data is recorded for equal period of "before"-"after" time. Use 1% level for risk.

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

a) Given processed data, explain what John must do.

Reference no: EM1320835

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