Answer: F. Students 1 and 4.
Step-by-step explanation: Students 1 and 4 because algebraic expressions do not have equal signs, and students 1 and 4 don't have equal signs, as equal signs can be found in algebraic <u>equations</u>.
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Answer:
4.19
Step-by-step explanation:
Find the mean:

Find the standard deviation:

These could be some possible amswers:2/8, 8,32, 3/12