"Pearson distribution" meaning in English

{
  "etymology_text": "First published by Karl Pearson in 1895.",
  "forms": [
    {
      "form": "Pearson distributions",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "Pearson distribution (plural Pearson distributions)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A family of continuous probability distributions."
      ],
      "id": "en-Pearson_distribution-en-noun-Hota-q59",
      "links": [
        [
          "mathematics",
          "mathematics"
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        [
          "family",
          "family"
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        [
          "continuous",
          "continuous"
        ],
        [
          "probability distribution",
          "probability distribution"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A family of continuous probability distributions."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Pearson distribution"
}

{
  "etymology_text": "First published by Karl Pearson in 1895.",
  "forms": [
    {
      "form": "Pearson distributions",
      "tags": [
        "plural"
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    }
  ],
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      "expansion": "Pearson distribution (plural Pearson distributions)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
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      ],
      "glosses": [
        "A family of continuous probability distributions."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "family",
          "family"
        ],
        [
          "continuous",
          "continuous"
        ],
        [
          "probability distribution",
          "probability distribution"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A family of continuous probability distributions."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "Pearson distribution"
}