## Question

###### Draw conclusion based on the decision in Step 6,ie Do these data present sufficient evidence (o indicate that there is & difference in the population mean seabird densities of oiled and unoiled transects? (Answer: yes Or no)(6) Construct 9o% confidence interval for the difference between the population mean scabird densities of oiled and unoiled transects . Draw the t-curve with labels(5-5)-t4n1sk-hs(-I)ttunStep

Draw conclusion based on the decision in Step 6,ie Do these data present sufficient evidence (o indicate that there is & difference in the population mean seabird densities of oiled and unoiled transects? (Answer: yes Or no) (6) Construct 9o% confidence interval for the difference between the population mean scabird densities of oiled and unoiled transects . Draw the t-curve with labels (5-5)-t4n1 sk-hs(-I)ttun Step

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