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Thirty-two college students, identified as having a posative attiude about Mitty Romney as compared to B....

Thirty-two college students, identified as having a posative attiude about Mitty Romney as compared to B. Obama in the 2012 presidentioal election, were asked to rate how trustworthy the face of M. Romeny appeared, as represented in their in their mental image of M. Romeny's face. Ratings were on a scale 0 to 7, with 0 being " not at all trustworthy" and 7 being "extremly trustworthy." here are the 32 ratings:

2.0 , 2.2 , 2.3 , 2.6 , 2.6 , 2.8 , 3.0 , 3.2 , 3.2 , 3.3 , 3.3 , 3.4, 3.6 , 3.7 , 3.7 , 3.8 , 3.9 ,3.9 , 3.9 , 3.9 , 4.1 , 4.1 , 4.2 ,4.2 ,4.6 ,4.6 , 4.7 , 4.9 , 5.0 , 5.0 , 5.3 , 5.3

a) Plot a stemplot for the data and comment.

b) Compute a 95% confidence Intraval for the mean rating? Interpret.

math   Statistics-And-Probability   
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Answer #1

03 6 6 8 3 12 2 6 679 o o 3 3 Comme The Steom nd lea Plot Inte ink б 3.0 + 3.9 032 3 7594

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