In his wardrobe at home, a business man has 7 suits and 8 ties. From those suits and ties he has on hand, he plans to take 3 of the 7 suits and 2 of the 8 ties with him to a conference in San Francisco. How many different possible suit-tie combinations can he choose from to wear PRIOR TO HIS TRIP?
a.56
b.336
c.890
d.1176
e.None of the above

In his wardrobe at home, a business man has 7 suits and 8 ties. From those suits and ties he has on hand, he plans to take 3 of the 7 suits and 2 of the 8 ties with him to a conference in San Francisco. How many different possible suit-tie combinations can he choose from to wear PRIOR TO HIS TRIP?
a.56
b.336
c.890
d.1176
e.None of the above

200,150,250,275,300,245,310.the sales clerk needed to use one measure of central tendency to represent the data,which should he use
a)mode
b)median
c)range
d)mean