In a market research study, members ot a consumer test panel are asked to rate the visual appeal (on a 110 10 scale) of the texture of dashboard plastic trim in a mockup of a new fuel cell car. The manufacturer is testing four finish textures. Panelists are assigned randomly to evaluate each texture. The test results are shown below. Each cell shows the average rating by panelists who evaluated each texture. Research question: |s mean rating affected by age group and/or by surface type? Mean Ratings of Dashboard Surface Texture Age Group Shiny Satin Pebbled Pattern Youth (under 21) 6.7 6.5 5.1 4.7 Adult (21 to 39) o] 5.1 6.2 5.8 Middle-Age (4@ to 61) 4.4 5.2 6.9 5.8 Senior (62 and over) 3.7 4.9 6.9 4.6 Click here for the Excel Data File (a-1) Which type of ANOVA model should be used? ) One factor completely randomized 0 Two factor with replication O Two factor without replication (b) Fill in the missing data. (Reund your 55 values to 3 decimal places, Fvalues to 2 decimal places, and other answers to 4 decimal places.) Table of Means Standard Deviation Mean n Shiny Satin Pebbled Pattern Youth {Under 21) Adult (21 to 39) Middle-Age (40 to 61) Senior (62 and over) Total ANOVA Table Rows (Age Group) Columns (Surface) (c) Choose the correct statement. O The texture is significantly affected by age group and by surface type. O The texture is not significantly affected by age group or by surface type. O The texture is not significantly affected by age group, but it is affected by surface type. O The texture is not significantly affected by surface type, but it is affected by age group