Based on the confidence interval, what is your conclusion? Based on the confidence interval, what is your conclusion? There is statistically significant evidence of a difference between mean height and armspan in the sample. There is insufficient evidence to conclude that there is a difference between mean height and armspan in the sample. There is statistically significant evidence of a difference between mean height and armspan in the population. There is insufficient evidence to conclude that there is a difference between mean height and armspan in the population