$\text { Data Table A }$ -Refer to Data Table A

question 76

Multiple Choice

$\text { Data Table A }$
$\begin{array}{|l|l|l|l|l|}\hline \begin{array}{c}\text { Sample } \\\text { Number }\end{array} & \text { Item 1 } & \text { Item 2 } & \text { /tem 3 } & \text { /tem 4 } \\\hline 1 & 13.10 & 13.90 & 12.80 & 13.20 \\\hline 2 & 13.80 & 13.00 & 12.50 & 12.70 \\\hline 3 & 14.00 & 12.90 & 13.10 & 13.50 \\\hline 4 & 12.30 & 13.30 & 12.80 & 13.60 \\\hline 5 & 13.10 & 12.60 & 13.30 & 12.90 \\\hline 6 & 12.50 & 13.40 & 12.80 & 13.30 \\\hline 7 & 13.60 & 12.70 & 13.30 & 13.80 \\\hline 8 & 12.50 & 13.50 & 13.10 & 12.90 \\\hline 9 & 13.00 & 13.60 & 12.70 & 13.20 \\\hline 10 & 12.80 & 12.90 & 12.70 & 13.30 \\\hline\end{array}$
-Refer to Data Table A.The value for D3 is ______.

• A)0
• B)0.223
• C)2.059
• D)2.282

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Definitions:

Randomization

Randomization involves assigning individuals to groups by chance processes.

Research Groups

Teams or collections of individuals conducting studies focused on specific academic or scientific inquiries.

Statistical Analysis

The process of collecting, exploring, and presenting large amounts of data to discover underlying patterns and trends.

Field Experiment

An experimental research study conducted in a natural setting outside the laboratory to understand the impact of independent variables on a particular outcome.