The Total Sum of Squares (TSS) Is Best Defined as

question 55

Multiple Choice

The total sum of squares (TSS) is best defined as

• A) the sums of squares of the dependent variables.
• B) the total variation of Y around its mean.
• C) the sums of squares of the predicted values.
• D) the variation of Y around its mean plus the variation of Y around the predicted values.

---

Definitions:

Symptoms of Insomnia

Characteristics of insomnia include difficulty falling asleep, staying asleep, or waking too early, resulting in daytime tiredness.

Sleep Terrors

A sleep disorder causing feelings of panic or dread typically occurring during the first hours of stage 3-4 non-REM sleep.

Nightmares

Disturbing dreams that can cause feelings of fear, stress, or anxiety upon waking.

Hypnosis

A state resembling trance characterized by heightened focus and susceptibility to suggestions, commonly employed for therapeutic benefits.