"z-test" meaning in English

{
  "forms": [
    {
      "form": "z-tests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "z-test"
      },
      "expansion": "z-test (plural z-tests)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "63 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution."
      ],
      "id": "en-z-test-en-noun-KZGP-d6Q",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "statistical",
          "statistical"
        ],
        [
          "test",
          "test"
        ],
        [
          "distribution",
          "distribution"
        ],
        [
          "null hypothesis",
          "null hypothesis"
        ],
        [
          "approximate",
          "approximate"
        ],
        [
          "normal distribution",
          "normal distribution"
        ]
      ],
      "raw_glosses": [
        "(statistics) Any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computer graphics",
          "orig": "en:Computer graphics",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A comparison to determine which object should be at the front of the z-buffer."
      ],
      "id": "en-z-test-en-noun-snYfQHqx",
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ],
        [
          "comparison",
          "comparison"
        ],
        [
          "determine",
          "determine"
        ],
        [
          "z-buffer",
          "z-buffer"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) A comparison to determine which object should be at the front of the z-buffer."
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "z-test"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "z-tests",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "z-test"
      },
      "expansion": "z-test (plural z-tests)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Statistics"
      ],
      "glosses": [
        "Any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "statistical",
          "statistical"
        ],
        [
          "test",
          "test"
        ],
        [
          "distribution",
          "distribution"
        ],
        [
          "null hypothesis",
          "null hypothesis"
        ],
        [
          "approximate",
          "approximate"
        ],
        [
          "normal distribution",
          "normal distribution"
        ]
      ],
      "raw_glosses": [
        "(statistics) Any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    },
    {
      "categories": [
        "en:Computer graphics"
      ],
      "glosses": [
        "A comparison to determine which object should be at the front of the z-buffer."
      ],
      "links": [
        [
          "computer graphics",
          "computer graphics"
        ],
        [
          "comparison",
          "comparison"
        ],
        [
          "determine",
          "determine"
        ],
        [
          "z-buffer",
          "z-buffer"
        ]
      ],
      "raw_glosses": [
        "(computer graphics) A comparison to determine which object should be at the front of the z-buffer."
      ],
      "topics": [
        "computer-graphics",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "z-test"
}