Question: Construct a 90% confidence interval using the paired-t approach to ascertain if the differences in the means of the two sets of data given in

Construct a 90% confidence interval using the paired-t approach to ascertain if the differences in the means of the two sets of data given in the table below are statistically significant.

Experiment jXjYjWi = Xj - Yj(Wj W(10))2

1306 381 75 36

2 279 337 58 121

3 221 261 40 841

4254 359 105 1,296

5 927 1102 175 11,236

6 309 375 66 9

7 250 284 34 1,225

8 31 71 40 841

9 317 394 77 64

10 98 118 20 2,401

X(10) = 299.2 Y (10) = 368.2W(10) = 69

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