Table 5: Serum BUN values (mg/dL) from hospital employees at Kettering Medical Center 15.922.59.116.86.428.615.223.710.317.013.820.57.425.04.118.412.713.630.921.3 Use the following classes: 0-5, 5-10, 10-15, 15-20, 20-25, 25-30, 30-35. What is the absolute frequency of the class 15-20?

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    Table 5: Serum BUN values (mg/dL) from hospital employees at Kettering Medical Center
    15.922.59.116.8
    6.428.615.223.7
    10.317.013.820.5
    7.425.04.118.4
    12.713.630.921.3

Use the following classes: 0-5, 5-10, 10-15, 15-20, 20-25, 25-30, 30-35. What is the absolute frequency of the class 15-20?

Please select the single best answer