Imagine we conduct a study to determine how long it takes salesclerks to approach and help hearing-disabled customers. If differences do emerge between these two IV levels, can we say confidently that the differences are due to deafness, or might there be another variable at play (like chance) that better accounts for any observed differences? As your Pause-Problem, think of two factors that account for why helping times might differ between conditions (other than deafness vs. hearing)

(23*2)-12=x     x=34

step-by-step explanation:

step-by-step explanation:

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sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.