Mathematics (US) - 0444 CIE

Histograms With Frequency Density

Akopọ

A histogram looks like a bar chart, but when the class widths are unequal a fair picture needs the bars' areas, not their heights, to show the frequencies. The height then becomes the frequency density.

In this lesson you will draw and interpret histograms with unequal class intervals using frequency density.

Awọn Afojusun

  1. Draw and interpret histograms with unequal intervals using frequency density.

Akọ̀wé Ẹ̀kọ́

Frequency density makes histograms with unequal intervals honest, so the eye reads the data correctly. It is the standard way to display continuous grouped data.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Histograms With Frequency Density. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. On a histogram with unequal widths, the bar height represents: A. frequency B. frequency density C. class width D. the mean Answer: B
  2. Frequency density equals: A. frequency x width B. frequency / class width C. width / frequency D. frequency + width Answer: B
  3. A class of width 20 has frequency 30. Its frequency density is: A. 0.67 B. 1.5 C. 10 D. 600 Answer: B
  4. On a histogram the frequency is given by the bar's: A. height B. width C. area D. colour Answer: C
  5. A bar has height 2 over a width 10. The frequency is: A. 5 B. 12 C. 20 D. 0.2 Answer: C

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
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O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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Ṣe o fẹ ṣe adaṣe awọn ibeere idanwo adaṣe nipa Histograms With Frequency Density? Ṣe igbasilẹ ohun elo Green Bridge CBT lati wọle si awọn ibeere idanwo adaṣe ati awọn ayẹwo adaṣe kikun fun koko-ọrọ yii.

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