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To investigate the relationship between mean job tenure in years among workers who have a bachelor’s degree or higher and those who do not, random samples of each type of worker were taken, with the results as shown in Table 2.   Sample size () Sample mean (  ) Sample standard deviation () Bachelor’s degree or higher 170 5.2 1.9 No degree 210 5.0 1.5 Table 2 Test, at the 1% level of significance, the claim that mean job tenure among those with a bachelor’s degree or higher is greater than among those without, against the default that there is no difference in the means.

To investigate the relationship between mean job tenure in years among workers who have a bachelor’s degree or higher and those who do not, random samples of each type of worker were taken, with the results as shown in Table 2.   Sample size () Sample mean (  ) Sample standard deviation () Bachelor’s degree or higher 170 5.2 1.9 No degree 210 5.0 1.5 Table 2 Test, at the 1% level of significance, the claim that mean job tenure among those with a bachelor’s degree or higher is greater than among those without, against the default that there is no difference in the means.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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To investigate the relationship between mean job tenure in years among workers who have a bachelor’s degree or higher and those who do not, random samples of each type of worker were taken, with the results as shown in Table 2.

 

Sample size

()

Sample mean

(  )

Sample standard deviation

()

Bachelor’s degree or higher

170

5.2

1.9

No degree

210

5.0

1.5

Table 2

Test, at the 1% level of significance, the claim that mean job tenure among those with a bachelor’s degree or higher is greater than among those without, against the default that there is no difference in the means.

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