In a study in New York, single college men were studied to see if hair color made a difference in dating life. 100 blond-haired men went on an average of 7.5 dates per month, with a standard deviation of 3.6 dates. 100 black-haired men went on an average of 6.4 dates per month, with a standard deviation of 3.9 dates. Can we say that there is significant difference in the number of dates between these two groups? (a = .10)
In a study in New York, single college men were studied to see if hair color made a difference in dating life. 100 blond-haired men went on an average of 7.5 dates per month, with a standard deviation of 3.6 dates. 100 black-haired men went on an average of 6.4 dates per month, with a standard deviation of 3.9 dates. Can we say that there is significant difference in the number of dates between these two groups? (a = .10)
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17. In a study in New York, single college men were studied to see if hair color made a
difference in dating life. 100 blond-haired men went on an average of 7.5 dates per
month, with a standard deviation of 3.6 dates. 100 black-haired men went on an average
of 6.4 dates per month, with a standard deviation of 3.9 dates.
Can we say that there is significant difference in the number of dates between these two
groups? (a = .10)
18. You want to see if there is any association between someone's years of education and
salary at their first full-time job. You sample some people, and find the following:
Years of Education
11
15
14
18
16
16
9
10
22
Starting Salary
(in thousands)
33
40
38
60
30
24
38
Years of Education
19
12
12
15
14
20
11
16
Starting Salary
(in thousands)
32
34
27
45
43
51
44
42
Can we say that there is any significant association among the data? (a = .10)
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