Which option points out what has gone wrong in the analysis in the following scenario? While collecting data, instructions are not given in a consistent way. Some participants are circling answers, some are
putting answers next to the box, and others are even skipping answers.
The data that is being gathered is not enough to collect a valid sample.
The data that is being gathered is irrelevant to the final analysis and should be thrown out.
The data that is being gathered is inconsistent and therefore will be thrown out.
The data that is being gathered is inconsistent and therefore will not be valid.
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a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.