2.3.2 Jarjour et al (A-2) conducted a study in which they measured bronchoalveolar lavage

(BAL) fluid histamine levels in subjects with allergic rhinitis, subjects with asthma, and normal volunteers. One of the measurements obtained was the total protein

(μg/ml) in BAL samples. The following are the results for the 61 samples they analyzed.

76.33 57.73 74.78 100.36 73.50 77.63 88.78 77.40 51.16 62.20 149.49 86.24 57.90 72.10 67.20 54.38 54.07 91.47 62.32 44.73 55.47 95.06 71.50 73.53 57.68 51.70 114.79 61.70 47.23 78.15 53.07 106.00 35.90 85.40 72.30 61.10 72.20 41.98 59.36 63.96 66.60 69.91 59.20 54.41 59.76 128.40 67.10 83.82 95.33 88.17 109.30 79.55 58.50 82.60 153.56 84.70 62.80 70.17 44.40 61.90 55.05 SOURCE: Nizar N. Jarjour, M.D. Used with permission.

Use these data to prepare:

a. A frequency distribution.

b. A relative frequency distribution.

c. A cumulative frequency distribution.

d. A cumulative relative frequency distribution.

e. A histogram.

f. A frequency polygon.