若将数据分成四组，则组距是https://edu-image.nosdn.127.net/5B30A7B195337C17E80E72735BC7B9DF.png?imageView&thumbnail=520x520&quality=100
6
举一反三
- 18037041f74f314.png若将数据分成四组，则组距是（ ） A: 6 B: 7 C: 8 D: 9
- 若将数据分成如下三组: 第1组：43.5~54.5 第2组：54.5~65.5 第3组：65.5~76.5 则第2组的频率是https://edu-image.nosdn.127.net/11E2D5F9BFCD255E9F54A3BC268F3504.png?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/7DC9333C2E354E878E3200F31EF46719.png?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/86DE24FCC064B3F1E1CAC249B9B67818.jpg?imageView&thumbnail=520x520&quality=100
- https://edu-image.nosdn.127.net/145375316803FD7CEC079D9EBD287594.png?imageView&thumbnail=520x520&quality=100
内容
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https://edu-image.nosdn.127.net/275B4EDE90C11A18D818198AB79C28A4.png?imageView&thumbnail=520x520&quality=100
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https://edu-image.nosdn.127.net/5B54C379DAEC4A6399BA18DA862CAEE3.png?imageView&thumbnail=520x520&quality=100
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https://edu-image.nosdn.127.net/7D574F305AEFF8D24D0D5F3D57BC080F.png?imageView&thumbnail=520x520&quality=100
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https://edu-image.nosdn.127.net/02C248A8986B46343EE9A294322342D0-1444011725398?imageView&thumbnail=520x520&quality=100
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https://edu-image.nosdn.127.net/EC3395432C0C3BF68B8771EFD31C33ED-1444013963794?imageView&thumbnail=520x520&quality=100