Maths Weaknesses

Question 1

Mean from histogram:

Answer 1

Just draw the table not that hard

Question 2

Median from a histogram

Answer 2

Divide total frequency by 2, Lower bound + (into group/frequency) x class width

Question 3

Why is the mean and median from a histogram only an estimate

Answer 3

Because you assume the data is uniformly spread

Question 4

Diagonals of a square are

Answer 4

Perpendicular

Question 5

Parallelogram:

Answer 5

Opposite sides equal, 2 pairs of parallel lines, diagonal lines bisect each other

Question 6

In a rhombus:

Answer 6

All sides are equal, 2 pairs of parallel lines, opposite angles

Question 7

Trapezoid:

Answer 7

1 pair of parallel sides

Question 8

Trapezium:

Answer 8

One pair of opposite sides parallel, line joining the midpoints of the non parallel sides is parallel to the bases and equal to half of their sum

Question 9

Is 1 prime?

Answer 9

No

Question 10

Is 0 even?

Answer 10

Yes

Question 11

Plan is view from the

Answer 11

Top

Question 12

A rhombus:

Answer 12

Quadrilateral with 4 equal length sides and opposite sides parallel to each other. Opposite angles equal diagonals perpendicular bisectors

Question 13

When using sine rule:

Answer 13

If angle obtuse and result is acute subtract it from 180