Question: From Data to Decision:

Critical thinking the fear of flying the lives of many people are affected by the fear that prevents them from flying. Public opinion poll conducted a poll of 1014 adults 48 % were men. The results showed that 12% of the men and 33% of the women fear flying.

Analysis:

How many men were surveyed?

How many women were surveyed?

How many men surveyed fear flying?

How many surveyed women fear flying?

Is there sufficient evidence to conclude that there is significant difference between the % of men and the % of women who fear flying?

Construct a 95 % confidence interval estimate of the difference between the % of men and the % women who fear flying

Do the confidence interval limits contain 0? And what is the significance of whether they do or do not.

Construct a 95 % interval for the % of men who fear flying.

Based on the result of the confidence interval of the question above complete the following statement:

"Based on the poll the % of men who fear flying is 12% with a margin of error of______________

Examine the above completed statement you made and what important piece of information should be included but is not included in the statement?

In a separate poll 1001 random adults were asked this question….If you had to fly tomorrow how would you say you feel about it?

Would you be very afraid -----18 %

Somewhat afraid-----26%

Not very afraid ------17%

Not afraid at all-------38

No opinion ----1%

Are these results consistent with those obtained in the first survey? Explain

Can discrepancy be explained that the first poll was conducted after 9/11/2001, whereas the second was conducted before that date?

Construct a graph that would make the results understandable to typical newspaper readers

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