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Anita Cruz Recently Assumed Responsibility for a Large Investment Portfolio α\alpha

question 28

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Anita Cruz recently assumed responsibility for a large investment portfolio. She wonders whether industry sector influences investment objective. Her staff prepared the following contingency table from a random sample of 200 common stocks:  Anita Cruz recently assumed responsibility for a large investment portfolio. She wonders whether industry sector influences investment objective. Her staff prepared the following contingency table from a random sample of 200 common stocks:   Using  \alpha  =.01, critical chi-square value is ___. A)  9.21 B)  7.88 C)  15.09 D)  16.81 E)  18.81 Using α\alpha =.01, critical chi-square value is ___.


Definitions:

Bipolar Disorder

A mood disorder in which manic episodes alternate with periods of depression, usually with relatively normal periods in between.

Lithium

A chemical element used in the treatment of bipolar disorder to stabilize mood swings.

Bipolar Disorder

A mental health condition causing extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).

Lithium

A chemical element with the symbol Li and atomic number 3, known for its use in psychiatric medication to treat bipolar disorder and other mood disorders.

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