The Number of Absences and the Final Grades of 9

question 71

Essay

The number of absences and the final grades of 9 randomly selected students from a statistics class are given below. Can you conclude that there is a correlation between the final grade and the number of absences? Use α = .01. $$\begin{array} { l | c c c c c c c c c } \text { Number of Absences } & 0 & 3 & 6 & 4 & 9 & 2 & 15 & 8 & 5 \\\hline \text { Final Grade } & 98 & 86 & 80 & 82 & 71 & 92 & 55 & 76 & 82\end{array}$$

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Definitions:

Controller

Widely used term for control module. Anything on the data bus that can be assigned source address (SA) or message identifier (MID) status, meaning that it has some processing and networking capability.

Data Bus

A communication system within a computer or between computers and peripheral devices, designed for data transfer.

Module Networked

Refers to interconnected modules or devices that communicate with each other over a network, sharing data and functionalities.

J1939 Data Bus

A high-level network protocol used in heavy-duty vehicles and based on CAN (Controller Area Network), facilitating communication between the vehicle's engine, gearbox, and other components.