The Test Statistic Used to Test Hypotheses About the Population $\chi$

question 125

True/False

The test statistic used to test hypotheses about the population variance is given by $\chi$ ² = (n-1)s² / $\sigma$ ²,which is chi-squared distributed with n -1 degrees of freedom when the population random variable is normally distributed with variance equal to $\sigma$ ².

---

Definitions:

Meditation

A practice of concentrated focus upon a sound, object, visualization, the breath, movement, or attention itself in order to increase awareness of the present moment, reduce stress, promote relaxation, and enhance personal and spiritual growth.

Self-instruction Training

A cognitive technique that involves teaching individuals to give themselves positive verbal instructions to overcome difficulties or enhance performance.

Negative Self-statement

Internal critical dialogues or thoughts that negatively affect an individual's self-esteem or mental health.

Managing Self-statement

Techniques or practices aimed at controlling or altering one’s internal dialogues or thoughts to improve emotional wellbeing or behavioral outcomes.