Interpreting Statistical Data
Bayani Gaba-gaba
Collecting data is only half the job. The real value comes from reading it well: spotting the message in a table, drawing fair conclusions from a chart, and knowing the difference between what the data shows and what it merely suggests. Good interpretation is a skill that protects you from being misled.
In this lesson you will read and draw inferences from tables and statistical diagrams, compare two data sets using both an average and a measure of spread, and learn the limits of what data can honestly tell you. These critical-thinking skills matter far beyond the exam, in any situation where numbers are used to make a case.
Manufura
- Read, interpret and draw inferences from tables and statistical diagrams.
- Compare sets of data using tables, graphs and statistical measures.
- Appreciate restrictions on drawing conclusions from given data.
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Interpreting Statistical Data. 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.
- A shop sells tea 24, coffee 36, juice 12 and water 8. How many drinks were sold in total? A. 68 B. 72 C. 80 D. 84 Answer: C
- Using those sales, what percentage of the drinks were coffee? A. 30% B. 36% C. 45% D. 50% Answer: C
- Class A has mean 60 and range 20; Class B has mean 60 and range 50. Which statement is correct? A. Class A performed much better on average B. The classes have the same average but A is more consistent C. Class B is more consistent D. The classes cannot be compared Answer: B
- Ice cream sales and drowning both rise in summer. What does this best illustrate? A. Ice cream causes drowning B. Drowning causes ice cream sales C. Correlation does not prove causation D. There is no link at all Answer: C
- Which is the most reliable basis for a conclusion about a whole country? A. A survey of 10 friends B. A survey of one town C. A large representative sample D. A single person's opinion Answer: C
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Zazzage manhajar Green Bridge CBT a wayar ka ko kwamfyuta ka don samun cikakkiyar bayanan darasi, tambayoyin aiki, da ƙari.
Akwai a cikin manhajar Green Bridge
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