2. It has been suggested that the older a person becomes the more likely they are to become politically conservative. To see if there is any truth to this, eight 40-year-old adults are given a test which measures how politically conservative they are and then, 20 years later they are given the same test a second time. The following are their scores, where higher scores indicate being more conservative: Adults 40-year-old scores 60- year-old scores 1234567∞ 20 28 32 26 36 18 25 222222 34 27 40 28 24 30 34 16 21 a) Are the adults more conservative at 60 years of age than they were at 40 years of age (alpha = .005)? (10 points) b) Is the variance of the adult's scores as 40-year-olds significantly different from 68.5: the typical population variance (alpha = .05)? (10 points) 2. It has been suggested that the older a person becomes the more likely they are to become politically conservative. To see if there is any truth to this, eight 40-year-old adults are given a test which measures how politically conservative they are and then, 20 years later they are given the same test a second time. The following are their scores, where higher scores indicate being more conservative: Adults 40-year-old scores 60- year-old scores 1234567∞ 20 28 32 26 36 18 25 222222 34 27 40 28 24 30 34 16 21 a) Are the adults more conservative at 60 years of age than they were at 40 years of age (alpha = .005)? (10 points) b) Is the variance of the adult's scores as 40-year-olds significantly different from 68.5: the typical population variance (alpha = .05)? (10 points)

Ciccarelli: Psychology_5 (5th Edition)
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ISBN:9780134477961
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Chapter1: The Science Of Psychology
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2. It has been suggested that the older a person becomes the
more likely they are to become politically conservative. To
see if there is any truth to this, eight 40-year-old adults are
given a test which measures how politically conservative
they are and then, 20 years later they are given the same
test a second time. The following are their scores, where
higher scores indicate being more conservative:
Adults
40-year-old scores
60-
year-old scores
1234567∞
20
28
32
26
36
18
25
222222
34
27
40
28
24
30
34
16
21
a) Are the adults more conservative at 60 years of age
than they were at 40 years of age (alpha = .005)?
(10 points)
b) Is the variance of the adult's scores as 40-year-olds
significantly different from 68.5: the typical
population variance (alpha = .05)? (10 points)
Transcribed Image Text:2. It has been suggested that the older a person becomes the more likely they are to become politically conservative. To see if there is any truth to this, eight 40-year-old adults are given a test which measures how politically conservative they are and then, 20 years later they are given the same test a second time. The following are their scores, where higher scores indicate being more conservative: Adults 40-year-old scores 60- year-old scores 1234567∞ 20 28 32 26 36 18 25 222222 34 27 40 28 24 30 34 16 21 a) Are the adults more conservative at 60 years of age than they were at 40 years of age (alpha = .005)? (10 points) b) Is the variance of the adult's scores as 40-year-olds significantly different from 68.5: the typical population variance (alpha = .05)? (10 points)
2. It has been suggested that the older a person becomes the
more likely they are to become politically conservative. To
see if there is any truth to this, eight 40-year-old adults are
given a test which measures how politically conservative
they are and then, 20 years later they are given the same
test a second time. The following are their scores, where
higher scores indicate being more conservative:
Adults
40-year-old scores
60-
year-old scores
1234567∞
20
28
32
26
36
18
25
222222
34
27
40
28
24
30
34
16
21
a) Are the adults more conservative at 60 years of age
than they were at 40 years of age (alpha = .005)?
(10 points)
b) Is the variance of the adult's scores as 40-year-olds
significantly different from 68.5: the typical
population variance (alpha = .05)? (10 points)
Transcribed Image Text:2. It has been suggested that the older a person becomes the more likely they are to become politically conservative. To see if there is any truth to this, eight 40-year-old adults are given a test which measures how politically conservative they are and then, 20 years later they are given the same test a second time. The following are their scores, where higher scores indicate being more conservative: Adults 40-year-old scores 60- year-old scores 1234567∞ 20 28 32 26 36 18 25 222222 34 27 40 28 24 30 34 16 21 a) Are the adults more conservative at 60 years of age than they were at 40 years of age (alpha = .005)? (10 points) b) Is the variance of the adult's scores as 40-year-olds significantly different from 68.5: the typical population variance (alpha = .05)? (10 points)
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