The Variance in the Diameter of a Bolt Should Not

question 55

True/False

The variance in the diameter of a bolt should not exceed 0.500 mm. A random sample of n = 12 bolts showed a sample variance of 0.505 mm. The test statistic is χ2 = 11.11.

---

Definitions:

Menopause

A natural biological process marking the end of a woman's reproductive years, characterized by the cessation of menstrual cycles.

Estrogen

A primary female sex hormone responsible for the development and regulation of the female reproductive system and secondary sex characteristics.

Hot Flashes

Quick, intense bouts of warmth often experienced by women undergoing hormonal changes, particularly during menopause.

Exercise

Physical activities performed to improve health, maintain fitness, or as a form of leisure.