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13-05-2020
Mathematics

contestada

Find the critical value tc for the confidence level c=0.98 and sample size n=18

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cjmejiab cjmejiab

15-05-2020

Answer step-by-step explanation:

We know that the critical t value for a 98% confidence level for a sample of size n = 18:

Finding degrees of freedom (n-1) = 17

-search the information in table t for 0.98 and find that t = 2.567

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