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Analyses were run. The following is the (edited) output for the test: Hypothesis Test Results μ1: Dance Scores: Coached Previously μ2: Dance Scores: Not Coached Previously Difference Sample Mean Std. Err. DF T-Stat P-Value μ1 - μ2 .11 0.67168 94.155815 0.163767 0.4351 From the output we learn that:

User Trondd
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Final answer:

The question is about interpreting the output of a t-test comparing dance scores of individuals with and without prior coaching. With a p-value of 0.4351, there is not enough evidence to reject the null hypothesis, indicating no significant difference due to prior coaching.

Step-by-step explanation:

The question provided is related to a hypothesis test involving the comparison of two population means, specifically dance scores of individuals who had been coached previously compared to those who had not. The edited output given represents the results of a t-test, which is a statistical test used to compare the means of two groups. When examining the provided output, it is important to note the hypotheses being tested. The null hypothesis (μ1 - μ2 ≤ 0) suggests there is no significant difference between the dance scores, while the alternative hypothesis implies a difference exists.

The p-value given in the output is 0.4351. This value, when compared with a typical significance level α (alpha), such as 0.05, tells us whether the difference between groups is statistically significant. Since the p-value is greater than 0.05, there is not enough evidence to reject the null hypothesis, indicating that previous coaching may not significantly affect dance scores.

It is also important to consider the t-statistic, which shows the number of standard deviations the difference in sample means is away from the hypothesized difference of zero. Here, the calculated t-statistic is 0.163767, which, in the context of the results, aligns with the high p-value in indicating no significant difference. Additionally, the degrees of freedom (DF) of 94.155815 suggest that a slightly adjusted version of the t-distribution was used to account for the sample sizes of the dancers.

User Ethan Coon
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