A Study Was Conducted to Investigate the Effect of an Intervention

question 69

Multiple Choice

A study was conducted to investigate the effect of an intervention protocol on IQ tests.Nine randomly selected students were tested. $$\begin{array} { l c } \text { Before } & \text { After } \\100 & 106 \\111 & 112 \\93 & 95 \\92 & 90 \\99 & 107 \\85 & 100 \\117 & 126 \\110 & 105 \\98 & 110\end{array}$$
What is the rejection point T₀ for ? = .05?

• A)8
• B)6
• C)4
• D)6.5

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Definitions:

1865 Elections

The 1865 Elections refer to the political elections held in various countries; in the United States, these did not occur due to the Civil War's end and Reconstruction's beginning, which focused instead on state re-admission and rebuilding.

Southern Economy

Refers to the economic structure and practices of the Southern United States, historically based on agriculture and slave labor.

Congress

The primary legislative body of the United States, consisting of the Senate and the House of Representatives.

Emancipation

The act of freeing individuals from legal, social, or political restrictions; historically significant in the context of the abolition of slavery.