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The following image shows the average low and average high temperature from a dataset. The errorbars represent the 95% confidence interval. The 95% confidence interval for the average high is 83.5 +/12.9 and the 95% confidence interval for the average low is 67.2+17.3. 1. Are these two means statistically significantly different at the 95% confidence interval? Yes No 2. Are these two means statistically significantly different at the 99.7% confidence interval? Yes 3. Are these two means statistically significantly different at the 68% confidence interval? Yes