a) Conduct a two sample T-test to see if the average number of units sold is the same or different for the South and North Regions.

b) Is there a difference between the two regions for units sold? How do you know?

Can this please be done in excel. Thank you.

Store and Regional Sales Database
Sales Region	Units Sold	Week Ending
South	28	October
South	30	November
South	9	December
South	30	October
South	35	November
South	39	December
South	28	October
South	3	November
South	38	December
South	25	October
South	27	November
South	33	December
South	8	October
South	8	November
South	10	December
South	8	October
South	8	November
South	8	December
South	9	October
South	9	November
South	8	December
South	18	October
South	18	November
South	20	December
South	38	October
South	30	November
South	3	December
South	30	October
South	32	November
South	33	December
South	25	October
South	5	November
South	26	December
South	28	October
South	27	November
South	29	December
North	18	October
North	20	November
North	4	December
North	12	October
North	24	November
North	36	December
North	29	October
North	11	November
North	38	December
North	21	October
North	24	November
North	30	December
North	27	October
North	25	November
North	23	December
North	80	October
North	82	November
North	75	December
North	65	October
North	24	November
North	55	December
North	55	October
North	57	November
North	47	December