After reading the description, each participant was asked to rate the attractiveness of the man on a seven-point scale from 1 (very unattractive) to 7 (very attractive) with a score of 4 indicating a neutral rating. a. A sample of n 5 16 females who read the “great sense of humor” description gave the potential partner an average attractiveness score of M 5 4.53 with a standard deviation of s 5 1.04. For this sample of n 5 16 participants, is the average rating significantly higher than neutral (m 5 4)? Use a one-tailed test with a 5 .05. b. A sample of n 5 16 females who read the description saying “no sense of humor” gave the potential partner an average attractiveness score of M 5 3.30 with a standard deviation of s 5 1.18. For this sample of n 5 16 participants, is the average rating significantly lower than neutral (m 5 4)? Use a one-tailed test wit

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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After reading
the description, each participant was asked to rate the
attractiveness of the man on a seven-point scale from
1 (very unattractive) to 7 (very attractive) with a score
of 4 indicating a neutral rating.
a. A sample of n 5 16 females who read the “great
sense of humor” description gave the potential partner an average attractiveness score of M 5 4.53 with
a standard deviation of s 5 1.04. For this sample of
n 5 16 participants, is the average rating significantly higher than neutral (m 5 4)? Use a one-tailed
test with a 5 .05.
b. A sample of n 5 16 females who read the description
saying “no sense of humor” gave the potential partner an average attractiveness score of M 5 3.30 with
a standard deviation of s 5 1.18. For this sample of
n 5 16 participants, is the average rating significantly
lower than neutral (m 5 4)? Use a one-tailed test with

 

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