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1. Given the following data, find the lower bound of confidence interval. Your answer must be in two decimal places. Sample size = 100, Mean

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1. Given the following data, find the lower bound of confidence interval. Your answer must be in two decimal places. Sample size = 100, Mean = 80, Standard Deviation = 20, Confidence coefficient = 1.645

2. Compute for the correlation coefficient.

image text in transcribedimage text in transcribed
X Y 10 23 15 25 20 25 25 29 30 262 LU X Y W 5

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