Use the Following to Answer Questions

question 30

Short Answer

Use the following to answer questions :
You have just recorded the waiting times for a random sample of 50 customers who visited Elmo's Pizza Shop.The following table gives the frequency distribution of waiting times (in minutes)for these customers.

-The standard deviation of waiting times,rounded to two decimal places,is:

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Definitions:

Apnea

A temporary cessation of breathing, especially during sleep.

Sleeplessness

The condition of being unable to sleep, also known as insomnia.

Sleep Apnea

A condition where an individual experiences interruptions in breathing or instances of light breathing while asleep.

Serious Sleep Apnea

A severe form of sleep apnea characterized by frequent interruptions of breathing during sleep, leading to significant health risks.