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The public transport authority of a large city undertook a study to compare the diets of...
Do various occupational groups differ in their diets? A British study of this question compared 95 drivers and 69 conductors of London double-decker buses. The conductors' jobs require more physical activity. The article reporting the study gives the data as "Mean daily consumption ± (se)." Some of the study results appear below. Drivers Conductors Total calories 2827 ± 13 2846 ± 20 Alcohol (grams) 0.28 ± 0.07 0.38 ± 0.13 (a) Give x and s for each of the four...
various occupational groups differ in their diets? A British study of this question compared 90 drivers and 70 conductors of London double-decker buses. The condutors' jobs require more physical ivity. The article reporting the study gives the data as "Mean daily consumption ± (se)." Some of the study results appear below Drivers Conductors Total calories 2826 ± 15 2841 ± 18 Alcohol (grams) 0.24 t 0.08 0,38 0.14 (a) Give x and s for each of the four sets of...
Do various occupational groups differ in their diets? A British study of this question compared 86 drivers and 68 conductors of London double-decker buses. The conductors' jobs require more physical activity. The article reporting the study gives the data as "Mean daily consumption ± (se)." Some of the study results appear below. Drivers Conductors Total calories 2812 ± 45 2840 ± 50 Alcohol (grams) 0.26 ± 0.07 0.41 ± 0.11 Is there significant evidence at the 5% level that conductors...
Do various occupational groups differ in their diets? A British study of this question compared 94 drivers and 52 conductors of London double-decker buses. The conductors' jobs require more physical activity. The article reporting the study gives the data as "Mean daily consumption ± (se)." Some of the study results appear below. Drivers Conductors Total calories 2820 ± 41 2840 ± 50 Alcohol (grams) 0.3 ± 0.07 0.36 ± 0.06 Is there significant evidence at the 5% level that conductors...
Researchers randomly assigned 322 moderately obese volunteers to one of three diets to study how the diets compare with respect to various outcomes such as weight loss, lipid profiles, blood pressure, and other indicators of health and metabolic function. The three diets included a low-carbohydrate diet, a low-fat diet, and a Mediterranean diet that consists of moderate fat and a high proportion of monounsaturated fats. All study participants worked at the same research center in Israel, where lunch (the main...