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Use the following to answer questions :
A sample of 20 from a population produced a mean of 66.0 and a standard deviation of 10.0.A sample of 25 from another population produced a mean of 58.6 and a standard deviation of 13.0.Assume that the two populations are normally distributed and the standard deviations of the two populations are equal.
The null hypothesis is that the two population means are equal,while the alternative hypothesis is that the two population means are different.The significance level is 5%.
-What are the critical values of t for the hypothesis test?
Protective Mechanisms
Psychological strategies employed by individuals to defend against feelings of anxiety or threats to self-esteem, synonymous with defense mechanisms.
Basic Anxiety
A term in psychoanalysis describing feelings of insecurity and inadequacy arising from interpersonal relationships.
Child Security
The sense of safety, stability, and protection that a child feels, which is crucial for their emotional and psychological development.
Excessively Dependent
Describes an individual's over-reliance on others for emotional support, decision making, and validation, often to the point of having difficulty functioning independently.
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