20230731-AM1

Given that the median is 6,
find the quartile deviation of the data 1, 13, 7, 4, 3, 8, 3, 2, 10, 7, 7 and x.

• 4.5

• 2.25

• 5

• 6

• -1

• -1 or -3

• 1 or 3

• 1

• 2

• 8

• 15

• 31

The straight line joining the point (0,2) and (2,8) also passes through

• (3,14)

• (4,14)

• (3,10)

• (4,10)

Find the area of the quadrilateral with vertices (0,3), (3,-1), (1,0) and (5,2).

• 4.5

• 9

• 11

• 22

• 0

• 1

• 2

• 3