8. Mobile Computing Field Study, continued The Mobile Computing Field Study, introduced in Sect. 19.7, was run using a 2×3 split-plot design with 12 subjects as blocks, 24 days as whole plots, three runs per day as split plots, two display types (A) assigned to whole-plots, three visual presentation formats (B) assigned to split-plots, six runs per subject, and utilizing six paths. Another response variable measured by the experimenter was the time (in minutes) to navigate the path, yielding the data shown in Table 19.38. Using model (19.7.18), p. 718, conduct the following analyses, estimating the missing value and utilizing it in the analysis.

(a) Estimate the missing value.

(b) Construct an analysis of variance table analogous to Table 19.12. For each main effect and interaction in the treatment factors, determining which effects are significant at the 1% level.

(c) Compare the visual presentation formats using simultaneous 99% confidence intervals and Tukey’s method. Interpret the results.