Order Size and Shipping Cost (n = 12) Orders (X) Ship Cost (Y) 1,068 4,489 1,026 5,611 767 3,290 885 4,113 1,156 4,883 1,146 5,425 892 4,414 938 5,506 769 3,346 677 3,673 1,174 6,542 1,009 5,088   (a) State the 95% confidence interval for the slope. (Round your answers to 4 decimal places.)  (b) Find the t statistic for the slope and its p-value. (Round your t statistic value to 3 decimal places and p-value to 4 decimal places.)

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Answer the following questions using the data given below.
 

Order Size and Shipping Cost (n = 12)
Orders (X) Ship Cost (Y)
1,068 4,489
1,026 5,611
767 3,290
885 4,113
1,156 4,883
1,146 5,425
892 4,414
938 5,506
769 3,346
677 3,673
1,174 6,542
1,009 5,088

 
(a) State the 95% confidence interval for the slope. (Round your answers to 4 decimal places.)
 (b) Find the t statistic for the slope and its p-value. (Round your t statistic value to 3 decimal places and p-value to 4 decimal places.)

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