The brain volumes (cm°) of 20 brains have a mean of 1119.5 cm° and a standard deviation of 122.2 cm°. 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 1343.9 cm° be significantly high? cm° or lower. Significantly low values are (Type an integer or a decimal. Do not round.)

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