The graph of cumulative frequency distribution is known as
an ogive
a histogram
a frequency polygon
relative frequency
none
Correct answer is A
No explanation has been provided for this answer.
If A = \(\frac{1}{2}\)h (a + b), make ‘a’ the subject of the formula
(2A – 2bh) ÷ b
(2A – bh) ÷ h
(2A – bh) ÷ b
(A – 2bh) ÷ h
(2A – h) ÷ bh
Correct answer is B
No explanation has been provided for this answer.
The median of a distribution can be estimated from
Barchart
Cumulative frequency curve
Frequency polygon
Pictorial
Pie chart
Correct answer is B
No explanation has been provided for this answer.
Multiply (3\(\sqrt{a}\) - 4a) by (4a + 3\(\sqrt{a}\))
9a + 16a2
9a – 16a2
3a + 16a2
3a - 16a2
a - 16a2
Correct answer is B
No explanation has been provided for this answer.
If tan α = \(\frac{1}{2}\) and tan β = \(\frac{1}{3}\) and both α and β are acute, find tan (α + β).
0.015
1
10
39.81
45
Correct answer is B
No explanation has been provided for this answer.