Question: a. From the worksheet, go to Stat -> Z statistics -> One Sample -> With data. b. Select column Search Time (Second) by clicking it.

a. From the worksheet, go to "Stat -> Z statistics -> One Sample -> With data". b. Select column "Search Time (Second)" by clicking it. Then click "Next>". c. Select "Confidence interval". Input the level you chose in question 1. Click "Calculate". d. Fill in the following table with the output. Round numbers in two decimal places. 95% confidence interval results: u : mean of search time Variable n Sample Mean Std. Err. L. Limit U. Limit Search Time

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