Please make the answers very clear to these few questions, thank you :)

d Statistics home > 6.2: Confidence intervals for population means Z CHALLENGE ACTIVITY 6.2.1: Confidence intervals for population means. 377804 2350104.qx3zay7 Jump to level 1 The additional growth of plants in one week are recorded for 11 plants with a sample standard deviation of 2 inches and sample mean of 9 inches. t* at the 0.05 significance level = Ex: 1.234 4 Margin of error = Ex: 1.234 ~ Confidence interval = [ Ex: 12.345 Ex: 12.345 C ] [smaller value, larger value]