A group of college students were asked about their monthly part-time income. The data collected was: $320 , $340 , $330 , $315 , $325 , $340 , $320 , $335 , $330 , $320 Which dot plot correctly represents the data?
Answer
A
Image with description A dot plot titled Monthly Part-Time Income. A number line from 315 to 340 is labeled Income ($). There is 1 dot above 315, 2 dots above 320, 2 dots above 325, 2 dots above 330, 1 dot above 335, and 2 dots above 340.
B
Image with description A dot plot titled Monthly Part-Time Income. A number line from 315 to 340 is labeled Income ($). There is 1 dot above 315, 2 dots above 320, 3 dots above 325, 2 dots above 330, 1 dot above 335, and 2 dots above 340.
C
Image with description A dot plot titled Monthly Part-Time Income. A number line from 315 to 340 is labeled Income ($). There is 1 dot above 315, 3 dots above 320, 1 dot above 325, 2 dots above 330, 1 dot above 335, 2 dots above 340.
D
Image with description A dot plot titled Monthly Part-Time Income. A number line from 315 to 340 is labeled Income ($). There is 1 dot above 315, 3 dots above 320, 1 dot above 325, 1 dot above 330, 2 dots above 335, 2 dots above 340.
Explanation
Count how many times each income appears: $315 occurs once, $320 occurs three times, $325 occurs once, $330 occurs twice, $335 occurs once, and $340 occurs twice. The matching dot plot is the one with those counts: choice C.
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