Sean las notas de un grupo de alumnos las siguientes: 12; 15; 12; 11; 16; 19; 12. Hallar la media aritmética.
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Verified answer
Mᴇᴅɪᴀ Aʀɪᴛᴍᴇᴛɪᴄᴀ ᴇs: 13.85
Explicación paso a paso:
Sᴜᴍᴀs ᴛᴏᴅᴏs ʟᴏs ᴅᴀᴛᴏs ᴘᴏʀ ᴍᴇɴᴏʀ ᴀ ᴍᴀʏᴏʀ, ʟᴏ ǫᴜᴇ ᴛᴇ ᴅᴇ ʟᴏ ᴅɪᴠɪᴅᴇs ᴇɴᴛʀᴇ ᴄᴜᴀɴᴛᴏs ᴅᴀᴛᴏs sᴏɴ
11
+12
12
12
15
16
19
____
97 ÷ 7= 13.85714....