The following table was presented in an article summarizing a study to compare a new drug to a standard drug and to a placebo. Characteristic* New Drug Standard Drug Placebo p Age, years 45.2 (4.8) 44.9 (5.1) 42.8 (4.3) 0.5746 % Female 51% 55% 57% 0.0635 Annual Income, $000s 59.5 (14.3) 63.8 (16.9) 58.2 (13.6) 0.4635 % with Insurance 87% 65% 82% 0.0352 Disease Stage 0.1261 Stage I 35% 18% 33% Stage II 42% 37% 47% Stage III 23% 51% 20% *Table entries and Mean (SD) or % Are there any statistically significant differences in the characteristics shown among the treatments? Justify your answer

The following table was presented in an article summarizing a study to compare a new drug to a standard drug and to a placebo. Characteristic* New Drug Standard Drug Placebo p Age, years 45.2 (4.8) 44.9 (5.1) 42.8 (4.3) 0.5746 % Female 51% 55% 57% 0.0635 Annual Income, $000s 59.5 (14.3) 63.8 (16.9) 58.2 (13.6) 0.4635 % with Insurance 87% 65% 82% 0.0352 Disease Stage 0.1261 Stage I 35% 18% 33% Stage II 42% 37% 47% Stage III 23% 51% 20% *Table entries and Mean (SD) or % Are there any statistically significant differences in the characteristics shown among the treatments? Justify your answer

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Description: The following table was presented in an article summarizing a study to compare a new drug to a standard drug and to a placebo. Characteristic*New DrugStandard DrugPlacebopAge, years45.2 (4.8)44.9 (5.1)42.8 (4.3)0.5746% Female51%55%57%0.0635Annual Inc

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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The following table was presented in an article summarizing a study to compare a new drug to a standard drug and to a placebo.

Characteristic*	New Drug	Standard Drug	Placebo	p
Age, years	45.2 (4.8)	44.9 (5.1)	42.8 (4.3)	0.5746
% Female	51%	55%	57%	0.0635
Annual Income, $000s	59.5 (14.3)	63.8 (16.9)	58.2 (13.6)	0.4635
% with Insurance	87%	65%	82%	0.0352
Disease Stage				0.1261
Stage I	35%	18%	33%
Stage II	42%	37%	47%
Stage III	23%	51%	20%

*Table entries and Mean (SD) or %

Are there any statistically significant differences in the characteristics shown among the treatments? Justify your answer

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