The brain volumes (cm³) of 20 brains have a mean of 1087.8 cm³ and a standard deviation of 127.5 cm³. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1362.8 cm³ be significantly high? Significantly low values are cm³ or lower. (Type an integer or a decimal. Do not round.)

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The brain volumes (cm³) of 20 brains have a mean of 1087.8 cm³ and a standard deviation of 127.5 cm³. Use the given
standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or
significantly high. For such data, would a brain volume of 1362.8 cm³ be significantly high?
Significantly low values are
(Type an integer or a decimal.
cm³ or lower.
Do not round.)
Transcribed Image Text:The brain volumes (cm³) of 20 brains have a mean of 1087.8 cm³ and a standard deviation of 127.5 cm³. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1362.8 cm³ be significantly high? Significantly low values are (Type an integer or a decimal. cm³ or lower. Do not round.)
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