Find the Standardized Test Statistic to Test the Claim That $\mu _ { 1 } = \mu _ { 2 } .$

question 60

Multiple Choice

Find the standardized test statistic to test the claim that $\mu _ { 1 } = \mu _ { 2 } .$ Assume the two samples are random and independent.
Population statistics: $\sigma _ { 1 } = 1.5 \text { and } \sigma _ { 2 } = 1.9$ Sample statisticsstatistics: $\bar { x }_ 1 = 24 , \mathrm { n } _ { 1 } = 50 \text { and } \bar { x }_ 2 = 22 , n _ { 2 } = 60$

• A)6.2
• B)8.1
• C)4.2
• D)3.8

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