Part 1D: A study was undertaken to compare daily activity levels in lean (group 1) and obese (group 2) study subjects. S

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Part 1d A Study Was Undertaken To Compare Daily Activity Levels In Lean Group 1 And Obese Group 2 Study Subjects S 1 (47.95 KiB) Viewed 26 times

Part 1d A Study Was Undertaken To Compare Daily Activity Levels In Lean Group 1 And Obese Group 2 Study Subjects S 2 (41.39 KiB) Viewed 26 times

Part 1D: A study was undertaken to compare daily activity levels in lean (group 1) and obese (group 2) study subjects. Sensors monitored the type and amount of routine daily activities such as walking, sitting, and lying down in each subject. Data are shown in Table 12.15 (pg 293 of the textbook). Using the SPSS file, Levine2005.sav. we wish to compare time spent standing or walking in lean and obese study subjects. Test whether the means differ significantly using an independent samples t-test. Use three decimal places in your answer and equal variances not assumed. T-test Values F T-test Mean difference Values t Std. Error difference df 95% CI Low. Bound Sig (2-tailed) 95% CI Upp. Bound
< !!! B. Burt Gerstman TABLE 12.15 Daily activity levels in lean and obese study subjects. Identification number 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Group 1 = lean; 2 = obese Sitting (min/day) 370.3 374.5 582.1 357.1 349.0 385.3 268.2 322.2 537.0 528.8 646.3 456.6 578.7 463.3 567.6 567.6 621.3 646.2 572.8 591.4 Standing or walking (min/day) 5111 607.9 319.2 584.6 578.9 543.4 677.2 555.7 374.8 504.7 260.2 464.8 367.1 413.7 347.4 416.5 358.7 267.3 410.6 426.4 Lying down (min/day) 555.5 450.7 537.4 489.3 514.1 506.5 467.7 567.0 5314 397.0 521.0 514.9 563.3 532.2 504.9 448.9 460.6 $10.0 448.7 4129 Data from Table 18.1 in Moore, D. S. (2010). The Basic Practice of Statistics (5th ed.). New York: W. H. Freeman. Originally from Levine, J. A., Lanningham-Foster, L. M., McCrady, S. K., Krizan, A. C., Olson, L. R., Kane, P. H., an LE a This "ne b Notice t "Pythagom + b², so e Welch, E product, to the Journ J. M., & V revisited. The deg (Welch, 1 interval th time. Cytel Cc It is calle samples a ²