Mathematics - 9260 OxfordAQA

Interpretation

Bayani Gaba-gaba

Three statements, all Core, and between them they carry the part of statistics that cannot be done by a calculator. Anybody can find a mean. The marks in this topic go to the candidate who can say what a graph is telling them, compare two sets of data in a sentence that a reader could act on, and know exactly how far a line of best fit can be trusted before it becomes a guess.

You will read and interpret a wide range of graphs and diagrams and draw conclusions from them; compare distributions and make inferences; and recognise correlation and draw or use lines of best fit by eye while understanding what these represent. The specification's own note names the vocabulary you must use for the last of those: positive correlation, negative correlation, no correlation, weak correlation and strong correlation.

Manufura

  1. [Core] read and interpret a wide range of graphs and diagrams and draw conclusions
  2. [Core] compare distributions and make inferences
  3. [Core] recognise correlation and draw and/or use lines of best fit by eye, understanding what these represent (Notes: students should know and understand the terms: positive correlation, negative correlation, no correlation, weak correlation and strong correlation)

Taswirar tunani

An zana wannan batu don ka ga yadda ra'ayoyi ke hadewa.

Bude taswirar tunani a cikin manhaja

Takardar Darasi

A specimen Core paper shows a scatter graph, asks candidates to describe the correlation, then to use a line of best fit to make a prediction, and finally to comment on somebody's claim that the trend can predict the outcome for any number of lessons at all. Only the middle part is a reading exercise. The first and last are asking whether you understand what the diagram can and cannot support, and that is the whole of this topic.

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Nazarin Darasi

Barka da kammala darasi akan Interpretation. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. A scatter graph's points fall from left to right and lie close to a straight line. How should the correlation be described? A. Strong positive B. Weak positive C. Strong negative D. No correlation Answer: C
  2. Which of these is extrapolation? A. Using a line of best fit to estimate a value inside the range of the data B. Using a line of best fit to estimate a value beyond the range of the data C. Drawing a line of best fit with a ruler D. Ignoring an outlier Answer: B
  3. Two data sets have the same mean but one has a much larger range. What does that tell you? A. The two sets are identical B. One set is more consistent than the other C. One set has a higher typical value D. Nothing can be concluded Answer: B
  4. A pictogram shows 13 symbols in total, representing 260 items. What is one symbol worth? A. 13 B. 20 C. 26 D. 260 Answer: B
  5. A scatter graph shows strong positive correlation between two variables. What can be concluded? A. One variable causes the other B. The two variables tend to increase together C. There is no relationship between them D. One variable decreases as the other increases Answer: B

Yi aikin wadannan tambayoyi a cikin manhaja

Yi aikin wadannan tambayoyi a cikin manhaja

Yi Aikin Tambayoyin Gwaji

Kana son yin aikin tambayoyin gwaji kan Interpretation? Sauke manhajar Green Bridge CBT don samun tambayoyin gwaji da cikakkun jarrabawa akan wannan batu.

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