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Burning Candle
Candle manufacturer companies advertise that their products are better quality and has the longest mean burning time. John decides to select same size candles from three different companies-Bright Candle, Fire Candle, and Shiny Candle- and do an experiment with 15-candle in order to test which company has a better product. He recorded the number of minutes that each candle burned.
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Bright Candle |
Fire Candle |
Shiny Candle |
| 1 |
60 |
66 |
68 |
| 2 |
49 |
68 |
65 |
| 3 |
58 |
56 |
44 |
| 4 |
57 |
59 |
59 |
| 5 |
61 |
61 |
51 |
| 6 |
53 |
64 |
60 |
| 7 |
57 |
53 |
61 |
| 8 |
60 |
51 |
63 |
| 9 |
61 |
60 |
49 |
| 10 |
62 |
50 |
56 |
| 11 |
60 |
64 |
59 |
| 12 |
56 |
60 |
62 |
| 13 |
61 |
60 |
64 |
| 14 |
59 |
51 |
57 |
| 15 |
58 |
49 |
54 |
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Judging from the table, which brand of candle would you recommend to John?
(Adopted from riverdeep.net)
 Submit your idea for an investigation to InterMath.
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