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Can the null hypothesis be rejected at a the given level

Consider the Minitab output shown below.

Two sample T-Test and CI

Sample	N	Mean	StDev	SE Mean
1	15	50.20	1.75	0.45
2	15	51.98	2.15	0.56

Difference = nu (1) - mu (2)

Estimate for difference: 7

958 CI for difference: (-3.246, -0.314)

T-Test of difference = 0 (vs not =): T-Value =-2.49 P-Value = 0.019 DF = 7 Both use Pooled StDev = 1.9602

(a) Fill in the missing values.

(b) Can the null hypothesis be rejected at a the 0.05 level? Why?

(d) Suppose that the alternative hypothesis was H₁: μ₁ = μ₂ versus H₁: μ₁ > μ₂. What is the P-value? What conclusions would you draw?

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Solution Preview :

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Basic Statistics: Can the null hypothesis be rejected at a the given level

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Prepared by a verified Expert

Basic Statistics: Can the null hypothesis be rejected at a the given level

Reference No:- TGS0683453

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