Instruction 12 -Referring to Instruction 12

question 122

Short Answer

Instruction 12.13
The managers of a brokerage firm are interested in finding out if the number of new customers a broker brings into the firm affects the sales generated by the broker. They sample 12 brokers and determine the number of new customers they have enrolled in the last year and their sales amounts in thousands of dollars. These data are presented in the table that follows.
$$\begin{array} { | l | l | l | } \hline \text { Broker } & \text { Clients } & \text { Sales } \\\hline 1 & 27 & 52 \\\hline 2 & 11 & 37 \\\hline 3 & 42 & 64 \\\hline 4 & 33 & 55 \\\hline 5 & 15 & 29 \\\hline 6 & 15 & 34 \\\hline 7 & 25 & 58 \\\hline 8 & 36 & 59 \\\hline 9 & 28 & 44 \\\hline 10 & 30 & 48 \\\hline 11 & 17 & 31 \\\hline 12 & 22 & 38 \\\hline\end{array}$$
-Referring to Instruction 12.13,the coefficient of determination is ____________.

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Definitions:

Immune Response

The body's defense mechanism against pathogens, involving recognition and elimination of foreign substances.

IgE

Immunoglobulin E, a class of antibodies produced by the immune system in response to allergens, playing a key role in allergic reactions.

Parasitic Worms

Organisms that live on or inside another host organism, causing harm by feeding off the host's nutrients.

IgA

Crucial for the immunity of mucosal surfaces, Immunoglobulin A functions as a key antibody type.