Question 1030627
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test statistic = + or - 2.1, this is a t-statistic because we do not know the population standard deviation
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degrees of freedom(D.F.) = 25-1 = 24
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For 24 D.F. and the given test statistic we get 0.025
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The p-value = 0.025 + 0.025 = 0.05
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Because the p-value of 0.05 = 0.05 at the 95% significance level, we do not have enough evidence to reject the null hypothesis.
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note that the p-value has to be less than 0.05 at the 95% significance level in order to reject the null hypothesis
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