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In performing a hypothesis test where the null hypothesis is that the population mean is 6.9 against the alternative hypothesis that the population mean is not equal to 6.9, a random sample of 16 items is selected.The sample mean is 7.1 and the sample standard deviation is 2.4.It can be assumed that the population is normally distributed.The observed "t" value for this problem is ___.
Physical Disabilities
Impairments that limit the physical function of limbs or movement, often requiring accommodations.
Pain
A distressing perception and affective reaction linked to genuine or prospective damage to bodily tissues.
Facial Expression
The movement or position of the muscles beneath the skin of the face, often conveying an individual's emotions.
Nonverbal Communication
The transmission of messages or signals through a non-linguistic means, such as facial expressions, body language, and gestures.
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