a. Find the degrees of freedom for unequal variance test. (Round down your answer to the...

a.	Find the degrees of freedom for unequal variance test. (Round down your answer to the nearest whole number.)

Degrees of freedom

b.	State the decision rule for 0.01 significance level. (Round your answer to 3 decimal places.)

Reject H₀ if t>

c.	Compute the value of the test statistic. (Round your answer to 3 decimal places.)

Value of the test statistic

d.	What is your decision regarding the null hypothesis? Use the 0.01 significance level.

Null hypothesis

(Click to select)not rejectedrejected

Expert Solution

Data for the Question is not given.

So, i am taking the following data to complete the question:

A random sample of 28 items from the first population showed a mean of 110 and a standard deviation of 14. A sample of 21 items for the second population showed a mean of 103 and a standard deviation of 10. Assume the sample populations do not have equal standard deviations

Answer:

orchestra answered 1 year ago

Consider a t distribution with 28 degrees of freedom. Compute P<−1.43<t1.43 . Round your answer to...

Consider a t distribution with 28 degrees of freedom. Compute P<−1.43<t1.43 . Round your answer to at least three decimal places. Consider a t distribution with 9 degrees of freedom. Find the value of c such that =P≤tc0.10 . Round your answer to at least three decimal places.

Consider a t distribution with 19 degrees of freedom. Compute P≤t−1.22 . Round your answer to...

Consider a t distribution with 19 degrees of freedom. Compute P≤t−1.22 . Round your answer to at least three decimal places. Consider a t distribution with 10 degrees of freedom. Find the value of c such that =P<−c<tc0.90 . Round your answer to at least three decimal places.

Question

a. Find the degrees of freedom for unequal variance test. (Round down your answer to the...

Solutions

Expert Solution

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