Preliminary Data Analyses Indicate That It Is Reasonable to Use $132 \mathrm { lb }$

question 4

Essay

Preliminary data analyses indicate that it is reasonable to use a t-test to carry out the specified hypothesis test. Performthe t-test using the P-value approach.
-Test whether the mean weight of female college students differs from $132 \mathrm { lb }$ . The mean weight for a random sample of 20 female college students was $\overline { \mathrm { x } } = 137 \mathrm { lb }$ with a standard deviation, s, of $14.2 \mathrm { lb }$ . Use a significance level of $\alpha = 0.1$ .

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Definitions:

Id

In psychoanalytic theory, the part of the personality that is the source of instinctual impulses and demands for immediate satisfaction of primitive needs.

Superego

A component of Sigmund Freud's psychoanalytic theory, representing the ethical component of the personality and provides the moral standards by which the ego operates.

Freud

Sigmund Freud was an Austrian neurologist who founded the discipline of psychoanalysis.

Guilty

A sense of obligation or regret for a specific misdeed, transgression, or fault, regardless of its actuality.