The Histogram, box plot, Time series Example of a process lead time with average 16.72 mins within July to Sept 2020. versus the target 15 mins

Number of Customer	Type of Coffee Order	Type of Payment	Order Time (minutes)	Preparation time (minutes)
1	A	Card	3	11
2	H	Cash	5	11
3	J	Cash	4	12
4	B	Cash	5	13
5	D	Card	5	12
6	H	Cash	4	9
7	G	Cash	3	7
8	F	Cash	3	9
9	E	Card	4	10
10	E	Card	5	11
11	F	Card	3	7
12	C	Cash	4	14
13	B	Cash	5	13
14	I	Cash	2	8
15	G	Card	3	10
16	H	Card	5	12
17	H	Cash	4	10
18	J	Card	3	9
19	E	Cash	4	9