"算術平均" meaning in Japanese

{
  "forms": [
    {
      "form": "算術平均",
      "ruby": [
        [
          "算術平均",
          "さんじゅつへいきん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sanjutsu heikin",
      "tags": [
        "romanization"
      ]
    }
  ],
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    {
      "args": {
        "1": "さんじゅつ へいきん"
      },
      "expansion": "算術平均(さんじゅつへいきん) • (sanjutsu heikin)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Japanese entries with topic categories using raw markup",
          "parents": [
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        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
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          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Mathematics",
          "orig": "ja:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "arithmetic mean"
      ],
      "id": "en-算術平均-ja-noun-hE9Ilfch",
      "links": [
        [
          "arithmetic mean",
          "arithmetic mean"
        ]
      ]
    }
  ],
  "word": "算術平均"
}

{
  "forms": [
    {
      "form": "算術平均",
      "ruby": [
        [
          "算術平均",
          "さんじゅつへいきん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sanjutsu heikin",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "さんじゅつ へいきん"
      },
      "expansion": "算術平均(さんじゅつへいきん) • (sanjutsu heikin)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese entries with topic categories using raw markup",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
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        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "Pages with raw sortkeys",
        "ja:Mathematics"
      ],
      "glosses": [
        "arithmetic mean"
      ],
      "links": [
        [
          "arithmetic mean",
          "arithmetic mean"
        ]
      ]
    }
  ],
  "word": "算術平均"
}

{
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  "msg": "no corresponding start tag found for </span>",
  "path": [
    "算術平均"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "算術平均",
  "trace": ""
}