This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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Histogram ni aina ya grafu ya baa ambayo huonyesha usambazaji wa data ya nambari. Kila upau kwenye histogrami huwakilisha idadi ya vipengele ambavyo huangukia katika safu fulani ya nambari au bin. Upana wa kila upau huwakilisha daraja au safu ya data, na urefu wa kila upau huwakilisha marudio au idadi ya vipengele katika safu hiyo.
Mfano 1: Tuseme tuna data juu ya urefu wa wanafunzi 30 katika shule fulani. Tunaweza kuunda histogrami ili kuonyesha usambazaji wa urefu. Tunaweza kugawanya urefu katika safu, kwa mfano, 150-155 cm, 155-160 cm, 160-165 cm, na kadhalika. Kisha, tunahesabu ni wanafunzi wangapi wanaangukia katika kila safu. Kwenye histogrami, kila safu itakuwa na upana unaolingana na safu ya urefu (k.m., 5 cm), na urefu wa upau utaonyesha idadi ya wanafunzi wenye urefu katika safu hiyo.
Mfano 2: Fikiria data juu ya alama zilizopatikana na wanafunzi katika mtihani. Tunaweza kuunda histogrami ili kuonyesha usambazaji wa alama. Tunaweza kugawanya alama katika safu, kwa mfano, 0-10, 10-20, 20-30, na kadhalika. Kisha, tunahesabu ni wanafunzi wangapi walipata alama katika kila safu. Kwenye histogrami, kila safu itakuwa na upana unaolingana na safu ya alama (k.m., 10 alama), na urefu wa upau utaonyesha idadi ya wanafunzi wenye alama katika safu hiyo.
Mchoro:
^ Marudio
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10 +---------+
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8 +---+-----+---+
| | | |
6 +---+-----+---+-----+
| | | | |
4 +---+-----+---+-----+---+
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2 +---+-----+---+-----+---+-----+
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0 +---+-----+---+-----+---+-----+---> Alama
10 20 30 40 50 60
Katika mchoro huu, milango (bins) ni 10-20, 20-30, 30-40, 40-50, 50-60. Urefu wa kila upau unaonyesha idadi ya wanafunzi walioangukia katika kila safu ya alama.
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Histogram ni aina ya grafu ya baa ambayo huonyesha usambazaji wa data ya nambari.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.