8. The researcher applied Empirical rule and calculated an interval of two standard
deviations below and above the mean age. That is, (69.56 - 2*8.42, 69.56 +2*8.42) =
(52.72, 86.4). Based on this calculation (assuming the calculation was accurate), she
concluded that 95% of the participants in the survey having an age between
approximately 53 and 86 years old. Was this conclusion acceptable? Explain why or why
not
