Sketch the two t distributions to illustrate your answers

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Significance test using the t distribution. A test of a null hypothesis versus a two-sided alternative gives t = 2.18.

(a) The sample size is 18. Is the test result significant at the 5% level? Explain how you obtained your answer.

(b) The sample size is 10. Is the test result significant at the 5% level? Explain how you obtained your answer

(c) Sketch the two t distributions to illustrate your answers.

Reference no: EM131423623

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