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2 years ago

What is the difference between a frequency polygon and an ogive?

Mathematics

2 answers:

HACTEHA [7]2 years ago

6 0

Answer:

Step-by-step explanation:

The main difference between an ogive and a frequency polygon is - An ogive is a plot of cumulative values while a frequency polygon is a plot of the values themselves. An ogive is also called the cumulative frequency graph. It is a curve which shows the cumulative frequency of a given set of data.

almond37 [142]2 years ago

3 0

Answer:

A frequency polygon displays class frequencies while an ogive displays cumulative frequencies.

Step-by-step explanation:

Frequency polygon: In the frequency polygon we need to connect the mid points of the class frequencies of the histogram.

Ogive: In ogive, we need to connect the cumulative frequencies against the corresponding class intervals by a free hand curve.

Therefore, the major difference between frequency polygon and ogive is "A frequency polygon displays class frequencies while an ogive displays cumulative frequencies."

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r-ruslan [8.4K]

Answer:

m∠C = 38° (nearest whole number).

Step-by-step explanation:

To find the missing angle, use the Sine Rule.

<u>Sine Rule</u> (for angles)

$\sf \dfrac{\sin A}{a}=\dfrac{\sin B}{b}=\dfrac{\sin C}{c}$

where:

A, B and C are the angles
a, b and c are the sides opposite the angles

Given:

A = 53°
a = 18
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To find m∠C, substitute the given values into the formula and solve for C:

$\implies \sf \dfrac{\sin 53^{\circ}}{18}=\dfrac{\sin C}{14}$

$\implies \sf \sin C= \dfrac{14 \sin 53^{\circ}}{18}$

$\implies \sf C= \sin^{-1} \left( \dfrac{14 \sin 53^{\circ}}{18}\right)$

$\implies \sf C= 38.40096301...^{\circ}$

Therefore, m∠C = 38° (nearest whole number).

Learn more about the sine rule here:

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1 year ago

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77julia77 [94]

Answer:

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Step-by-step explanation: