Two Hospital Emergency Rooms Use Different Procedures for Triage of Their

question 132

Multiple Choice

Two hospital emergency rooms use different procedures for triage of their patients.We want to test the claim that the mean waiting time of patients is the same for both hospitals.The 40 randomly selected subjects from one hospital produce a mean of 18.3 minutes.The 50 randomly selected patients from the other hospital produce a mean of 25.31 minutes.Assume a $\sigma$ _a = 2.1 minutes and $\sigma$ _b = 2.92 minutes.Calculate the test statistic for testing these hypothesis.

• A)-21.05
• B)-24.97
• C)-13.24
• D)-18.49

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Certificate of Deposit

A savings certificate with a fixed maturity date and specified fixed interest rate, issued by banks to individuals investing money for a fixed period of time.

Tax Bracket

Categories that tax rates apply to, which are based on levels of income; each bracket has a different tax rate associated with it.

Equivalent Taxable Yield

The yield on a tax-exempt security that would be required to produce the same after-tax yield as a taxable security, given an investor's tax rate.

State Bond

Debt securities issued by a state government to finance its expenditures, offering a way for investors to lend money to the government in exchange for interest payments.