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how are decile and quartile used in interpreting statistic data​

Sagot :

Anastasia1Siliviaidn

Quartiles

Quartiles are used to summarize a group of numbers. Quartiles are especially useful when you’re working with data that isn’t symmetrically distributed, or a data set that has outliers.

Decile

In descriptive statistics, a decile is used to categorize large data sets from the highest to lowest values, or vice versa.

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Salvadoranngandaidn

Answer:

Quartiles are used to summarize a group of numbers. Instead of looking a big list of numbers (way too unwieldy!), you are looking at just a few numbers that give you a picture of what’s going on in the big list. Quartiles are great for reporting on a set of data and for making box and whisker plots. Quartiles are especially useful when you’re working with data that isn’t symmetrically distributed, or a data set that has outliers.

All numerical summaries—like mean, median, and mode—give you a few numbers to summarize a large group of data, but what’s special about quartiles is that they split the data up into four equal-size groups.

These are special cases of “percentiles.” A percentile tells you what number is higher than a certain percent of the rest of the dataset. For example, the “90th percentile” means the number that is higher than 90% of the other numbers in the group.

Step-by-step explanation:

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