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The page below is a sample from the LabCE course Descriptive Statistics. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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A Frequency Distribution Example

Table III shows the unsorted raw data that will be used to make a frequency table. Note that the low and high results are highlighted. These data are continuous; however, the testing equipment rounds the data off to the nearest whole number of milligrams.

Table 3: Concentration of Serum Glucose (mg/dL) in 130 Hospital Employees

100	83	80	114	100
80	85	81	101	80
95	108	79	81	97
77	84	88	78	86
81	77	98	85	92
105	85	108	90	89
84	94	84	81	82
78	84	82	98	86
87	74	79	104	89
91	85	72	92	90
93	87	90	99	96
110	107	97	84	76
83	80	101	75	84
76	73	86	71	84
70	79	91	86	86
91	87	96	96	97
106	104	65	81	103
83	90	70	80	80
75	82	83	76	81
87	84	86	93	86
103	76	112	102	93
89	67	78	84	82
91	86	82	82	87
89	95	90	73	103
75	113	93	86	77
95	94	99	87	92

100	83	80	114	100
80	85	81	101	80
95	108	79	81	97
77	84	88	78	86
81	77	98	85	92
105	85	108	90	89
84	94	84	81	82
78	84	82	98	86
87	74	79	104	89
91	85	72	92	90
93	87	90	99	96
110	107	97	84	76
83	80	101	75	84
76	73	86	71	84
70	79	91	86	86
91	87	96	96	97
106	104	65	81	103
83	90	70	80	80
75	82	83	76	81
87	84	86	93	86
103	76	112	102	93
89	67	78	84	82
91	86	82	82	87
89	95	90	73	103
75	113	93	86	77
95	94	99	87	92

100	83	80	114	100
80	85	81	101	80
95	108	79	81	97
77	84	88	78	86
81	77	98	85	92
105	85	108	90	89
84	94	84	81	82
78	84	82	98	86
87	74	79	104	89
91	85	72	92	90
93	87	90	99	96
110	107	97	84	76
83	80	101	75	84
76	73	86	71	84
70	79	91	86	86
91	87	96	96	97
106	104	65	81	103
83	90	70	80	80
75	82	83	76	81
87	84	86	93	86
103	76	112	102	93
89	67	78	84	82
91	86	82	82	87
89	95	90	73	103
75	113	93	86	77
95	94	99	87	92

100	83	80	114	100
80	85	81	101	80
95	108	79	81	97
77	84	88	78	86
81	77	98	85	92
105	85	108	90	89
84	94	84	81	82
78	84	82	98	86
87	74	79	104	89
91	85	72	92	90
93	87	90	99	96
110	107	97	84	76
83	80	101	75	84
76	73	86	71	84
70	79	91	86	86
91	87	96	96	97
106	104	65	81	103
83	90	70	80	80
75	82	83	76	81
87	84	86	93	86
103	76	112	102	93
89	67	78	84	82
91	86	82	82	87
89	95	90	73	103
75	113	93	86	77
95	94	99	87	92