A Statistics Teacher Wants to See If There Is Any

question 64

Multiple Choice

A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago.A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken.You are given the following information. ​ The 98% confidence interval for the difference between the two population means is

• A) -9.92 to -2.08.
• B) -10.66 to -1.34.
• C) -13.84 to -1.16.
• D) -24.77 to 12.23.

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Definitions:

Anomie

A condition of instability resulting from a breakdown of standards and values or from a lack of purpose or ideals within a society.

Suicide Rates

The number of suicides occurring among a specific population during a given time period.

Economic Conditions

The state of the economy at a given time, encompassing such factors as inflation rates, employment levels, and GDP.

Proletariat

Workers; those who have no means of production of their own and so are reduced to selling their labor power in order to live.