MS and exercise study. A study published in Clinical Kinesiology (Spring 1995) was designed to examine the metabolic and cardiopulmonary responses during exercise of persons diagnosed with multiple sclerosis (MS). Leg-cycling and arm-cranking exercises were performed by 10 MS patients and 10 healthy (non-MS) control subjects. Each member of the control group was selected on the basis of gender, age, height, and weight to match (as closely as possible) with one member of the MS group. Consequently, the researchers compared the MS and non-MS groups by matched-pairs t-tests on such outcome variables as oxygen uptake, carbon dioxide output, and peak aerobic power. The data on the matching variables used in the experiment are shown in the table on the next page. Have the researchers successfully matched the MS and non-MS subjects?

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Data for Exercise 9.150 MS Subjects Non-MS Subjects Matched Pair Gender Age (years) Height (cm) Weight (kg) Gender Age (years) Height (cm) Weight (kg) 12341 5 6 7 8 9 10 MFFMMFMFER 48 171.0 80.8 M 45 173.0 76.3 34 158.5 75.0 F 34 158.0 75.6 34 167.6 55.5 F 34 164.5 57.7 38 167.0 71.3 M 34 161.3 70.0 45 182.5 90.9 M 39 179.0 96.0 42 166.0 72.4 F 42 167.0 77.8 32 172.0 70.5 M 34 165.8 74.7 35 33 331 166.5 55.3 F 43 165.1 71.4 166.5 57.9 F 31 170.1 60.4 46 175.0 79.9 F 43 175.0 77.9