Consider the following to answer questions
Previous surveys reported that more men than women trade stocks online.A local
brokerage firm randomly selected a sample of investors.They found that 45 of 234 men
traded online and 42 of 251 women traded online.
-Based on the 95% confidence interval, we can conclude
A)that a significant difference exists in the proportions of men and women who trade
B)that more men than women trade stocks online.
C)that more women than men trade stocks online.
D)that there is no significant difference in the proportions of men and women who
E)nothing, because we can't draw conclusions from confidence intervals.

Question

Consider the following to answer questions 
Previous surveys reported that more men than women trade stocks online.A local
brokerage firm randomly selected a sample of investors.They found that 45 of 234 men
traded online and 42 of 251 women traded online.
-Based on the 95% confidence interval, we can conclude
A)that a significant difference exists in the proportions of men and women who trade
B)that more men than women trade stocks online.
C)that more women than men trade stocks online.
D)that there is no significant difference in the proportions of men and women who
E)nothing, because we can't draw conclusions from confidence intervals.

Quizplus · Accepted Answer

The confidence interval suggests there is no significant difference in the proportions of men and women who trade stocks online, as the intervals likely overlap or include zero.

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