For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent. Claim: u, <2. =0.01. Sample statistics: x, = 1210, n, = 50, x, 1190, and n, = 70. Population statistics: o, =70 and a, = 105. (a) The test statistic for u, -2 is

For the given data, (a) find the test statistic, (b) find the standardized test statistic, (c) decide whether the standardized test statistic is in the rejection region, and (d) decide whether you should reject or fail to reject the null hypothesis. The samples are random and independent. Claim: u, <2. =0.01. Sample statistics: x, = 1210, n, = 50, x, 1190, and n, = 70. Population statistics: o, =70 and a, = 105. (a) The test statistic for u, -2 is

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 35E

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Question

(a) The test statistic for U1 - u2 is (b) The standardized test statistic for U1 - U2 is (c) Is the standardized test statistic in the rejection region? Yes or No (d) Should you reject or fail to reject the null hypothesis?