ED v e 0 '5 Eeztomheducationrcom C" [1] + 33 I: YouTube ;" lnstacart - Same-day Grocery Delivery '3- Home Content Course Hero Wk 4 - Practice: Wk 4 Exercises [due Day 5] o 5%\" Help Save a Exit Submit Check my work In a market research study, members of a consumer test panel are asked to rate the visual appeal (on a 1 to 10 scale) of the texture of dashboard plastic trim in a mockup of a new fuel cell can The manufacturer is testing four nish 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 2 each texture. Research question: Is mean rating affected by age group and/or by surface type? points Mean Ratings of Dashboard Surface Texture Age Group Shiny Satin Pebbled Pattern Youth (under 21) 6.3 6.2 5.8 4.4 El Adult (21 to 39) 5.1 5.2 6.4 5.9 egook MiddleAge (40 to 61) 4.8 5.1 6.1 5.1 Senior (62 and over) 3.2 4.8 6.0 4.5 References \"W (a-1) Which type of ANOVA model should be used? One factor completely randomized ' ' Two factor with replication 0 Two factor without replication (a-2) Choose the correct roweffect hypotheses. a. He: A1 = A2 = A3 = a Age group means are the same H1: Not all the Aj are equal to zero c Age group means differ b. He: A1 at A2 at A3 at 0 Age group means are the same H1: All the Aj are equal to zero Age group means differ O a '7 b 13.5\" {'hnneta the rnrnart rnll Imn.nffrt hunnthneae % Prev 1 of 15 Next ) AutoSave OFF A A FC ... 3 Texture15 Q OF Home Insert Draw Page Layout Formulas Data Review View Acrobat Tell me Share Comments Aria 10 AA 27 V do Wrap Text General AutoSum cli Fill Paste BIUVV ZAV E Merge & Center $ ~ % 9 00 -20 Conditional Format Cell Insert Delete Format Sort & Find & Analyze Sensitivity Create and Share Formatting as Table Styles Clear v Filter Select Data Adobe PDF G X V fx A B C D E F G H I J K R S T U V W X Y Z AA AB AC AD Mean Ratings of Dashboard Surface Texture Age Group Texture Shiny Satin Pebbled Patter Youth (Under 21) Adult (21 to 39) MIDDe-Age (40 19 37 | g s / Senior (62 and over) 10 Your computer is low on memory LearningStats Copyright @ 2019 To free up some memory, please by 14 The McGraw-Hill Companies close a few applications. 15 16 This spreadsheet is intended solely 17 for educational purposes by licensed users of Connect Close 19 20 21 22 23 24 25 26 27 28 30 62 D Data Extra Sheet + Ready + 100%ezto.mheducation.com C + 88 YouTube Instacart - Same-day Grocery... Home Content x Question 1 - Wk 4 - Practice:... Untitled Course Hero Wk 4 - Practice: Wk 4 Exercises [due Day 5] i Saved Help Save & Exit Submit Check my work Ob 2 points (b) Fill in the missing data. (Round your SS values to 3 decimal places, Fvalues to 2 decimal places, and other answers to 4 decimal places.) Table of Means eBook Mean Std. Dev Shiny 4.85 Satin 5.325 Pebbled 6.075 References Pattern 4.975 Youth (Under 21) 5.675 Adult (21 to 39) 5.65 Middle-Age (40 to 61) 5.275 Senior (62 and over) 4.625 Total ANOVA Table Source SS of MS p-value Rows (Age Group) Columns (Surface) Erro Total (c) Choose the correct statement. The texture is significantly affected by age group and by surface type. The texture is not significantly affected by age group or by surface type. The texture is not significantly affected by age group, but it is affected by surface type. The texture is not significantly affected by surface type, but it is affected by age group. Mc Graw