A study,conducted by Jackson et al.and published in the journal Cancer Causes and Control in 2009,examined 33,938 women aged 40 to 84 years old who resided in California and who reported having had a mammogram within the last 2 years.The researchers were interested in characteristics of women who routinely obtain mammograms,as suggested by the American Cancer Society,to detect breast cancer.The table below provides a column that refers to the sample size and provides characteristics of the 33,938 women who were included in the study who reported having had a mammogram. The margin of error for the white respondents is likely _____ the African American respondents.
A)lower than
B)higher than
C)the same as
D)as biased as

Question

A study,conducted by Jackson et al.and published in the journal Cancer Causes and Control in 2009,examined 33,938 women aged 40 to 84 years old who resided in California and who reported having had a mammogram within the last 2 years.The researchers were interested in characteristics of women who routinely obtain mammograms,as suggested by the American Cancer Society,to detect breast cancer.The table below provides a column that refers to the sample size and provides characteristics of the 33,938 women who were included in the study who reported having had a mammogram.  The margin of error for the white respondents is likely _____ the African American respondents.
A)lower than 
B)higher than 
C)the same as 
D)as biased as

Quizplus · Accepted Answer

The margin of error is inversely proportional to the sample size. Since the sample size for white respondents is much larger than for African American respondents, the margin of error for white respondents is likely lower than for African American respondents.

A Study,conducted by Jackson Et Al