Question: Does the data indicate that both production lines produce products with the same mean concentration ratio of ald ? Use =0.01 assume equal variances What

Does the data indicate that both production lines produce products with the same mean concentration ratio of ald ? Use =0.01 assume equal variances

What is the P-value

Find a 90% confidence interval for the true difference in the mean concentration

excel image is fine

Production Line 1 (%) Production Line 2 (%)
9.9 10.2
9.4 10
10 10.7
10.3 10.5
10.6 10.6
10.3 10.2
9.3 10.4
9.8 10.3

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