Question

claim: the standard deviation of pulse rates of adult males is more than 12 bpm. for a random sample of 127 adult males, the pulse rates have a standard deviation of 12.3 bpm. complete parts (a) and (b) below

a. express the original claim in symbolic form

bpm

ger or a decimal. do not round.)

Explanation:

Step1: Identify the parameter

The parameter of interest is the standard deviation of pulse rates of adult males. The symbol for population standard deviation is \(\sigma\).

Step2: Translate the claim

The claim is "the standard deviation of pulse rates of adult males is more than 12 bpm". In symbolic form, this is \(\sigma> 12\).

Answer:

\(\sigma>12\)