.8×10-3 -.15×10-3 .1×10-3 0 .19×10-3
  .7×10-3 0 .1×10-3 .13×10-3
    .6×10-2 .2×10-3 .83×10-3
      .5×10-2 .88×10-3
        .90×10-2
Table 6: Variance-Covariance matrix of the estimates.