A certain group of test subjects had pulse rates with a mean of 78.8 beats per minute and a standard deviation of 12.4beats per minute. Use the range rule of thumb to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of 133.6 beats per minute significantly low or significantly high?
Significantly low values are beats per minute or lower.
Significantly high values are beats per minute or higher.
Is a pulse rate of 133.6 beats per minute significantly low or significantly high?
Neither comma because it is within two standard deviations of the mean.
Significantly low comma because it is less than two standard deviations below the mean.
Significantly high comma because it is greater than two standard deviations above the mean.
It is impossible to determine with the information given.