The brain volumes (cm³) of 20 brains have a mean of 1082.3 cm³ and a standard deviation of 125.6 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 1353.5 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 1082.3 cm³ and a standard deviation of 125.6 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 1353.5 cm³ be significantly high?
Significantly low values are cm³ or lower.
(Type an integer or a decimal. Do not round.)
Transcribed Image Text:The brain volumes (cm³) of 20 brains have a mean of 1082.3 cm³ and a standard deviation of 125.6 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 1353.5 cm³ be significantly high? Significantly low values are cm³ or lower. (Type an integer or a decimal. Do not round.)
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