Discrete And Continuous Data
Akopọ
Before you draw a single chart or work out an average, you need to know what kind of data you are dealing with. Numerical data comes in two flavours: discrete data that you count, and continuous data that you measure. The difference decides which methods and graphs are sensible.
In this lesson you will learn to distinguish discrete from continuous data with plenty of clear examples. It is a short but important idea, because getting it right keeps every later statistical step honest and tells you whether a value in between two readings could ever occur.
Awọn Afojusun
- Distinguish between discrete and continuous data.
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Oriire fun ipari ẹkọ lori Discrete And Continuous Data. 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.
- Which of the following is continuous data? A. Number of students B. Number of goals C. The height of a plant D. Shoe size Answer: C
- Which of the following is discrete data? A. The mass of a parcel B. The number of cars in a car park C. The time taken to run a race D. The temperature of a room Answer: B
- Discrete data usually comes from: A. measuring B. counting C. estimating D. rounding Answer: B
- Continuous data usually comes from: A. counting B. labelling C. measuring D. listing Answer: C
- Which question best tests whether data is continuous? A. Is the data numerical? B. Is a value in between two readings possible? C. Is the data positive? D. Is the data large? Answer: B
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Awọn Iwe Itọsọna Ti a Gba Nimọran
Ẹ̀kọ́ síwájú láti àwọn orísun ṣíṣí
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Abala ìwé ẹ̀kọ́
Data, Sampling, and Variation in Data and Sampling
Data may come from a population or from a sample. Lowercase letters like x x or y y generally are used to represent data values. Most data can be put into the following categories: Qualitative data are the result of categorizing or describing attributes of a population. Qualitative data are also oft
"Introductory Statistics: Data, Sampling, and Variation in Data and Sampling" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/introductory-statistics/pages/1-2-data-sampling-and-variation-in-data-and-sampling. Access for free at https://openstax.org/books/introductory-statistics/pages/1-introduction
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