study of the production costs to see if there is a difference among the three processes. A summary of the findings is shown below.Pr oces s 1Pr oces s 2Pr oces s 3Tot alPr oces s Tot al s ( $100’ s )137108107352Sampl eSi ze10101030Sumof Squar es 18931 188117542586. What is the sum of squares for the treatment? 6A) 67.80 B) 58.07 C) 149.34 D) 23.47 Answer: B Difficulty: Hard Goal: 5 87. What is the sum of squares of the error? A Difficulty: Hard Goal: 5 88. What is the critical value of Fat the 5% level of significance? C Difficulty: Hard Goal: 5 89. What is the critical value of Fat the 1% level of significance? B Difficulty: Hard Goal: 5 Test Bank, Chapter 12203

90. What are the degrees of freedom for the treatment sum of squares? A) B) C) 10 D) 27 Answer: 2 3 A Difficulty: Medium Goal: 5 91. What are the degrees of freedom for the error sum of squares? 3 C Difficulty: Medium Goal: 5 92. What are the total degrees of freedom? C Difficulty: Medium Goal: 5 93. What is the mean square for treatments? D Difficulty: Hard Goal: 5 94. What is the mean square for error? A) 2.511 B) 2.151 C) 33.9 D) 29.035 Answer: A Difficulty: Hard Goal: 5 95. What is the calculated F? C Difficulty: Hard Goal: 5 Statistical Techniques in Business & Economics, Lind/Marchal/Wathen, 13/e204

96. What is the decision? A Difficulty: Hard Goal: 5 Fill-in-the-BlankUse the following to answer questions 97-106:In a study of low tar cigarettes, five cigarettes from each of three brands were tested to see if the mean amount of tar per cigarette differs among the brands. 97. What are the degrees of freedom for the numerator? ______ 2 Difficulty: Medium Goal: 4 98. What are the degrees of freedom for the denominator? ______ Difficulty: Medium Goal: 4 99. If the sum of squares for the brands is 0.07, what is the mean square for brands? ______ Difficulty: Hard Goal: 4 100. If the sum of squares for the error is 0.09, what is the mean square for the error? ______ Difficulty: Hard Goal: 4 101. What is the F critical value for á = 0.05? ______ Difficulty: Medium Goal: 5 102. What is the calculated value of F if the brand sum of squares is 0.07 and the error sum of squares is 0.09? ______ Difficulty: Hard Goal: 4 103. If Fcalculated is 4.75 what is the decision if = 0.05? ___________ 0 Difficulty: Hard Goal: 5 104. If the calculated Fis 4.74, what would the decision be if = 0.01? _________________ 0 Difficulty: Medium Goal: 5 Test Bank, Chapter 12205

105. If the sum of squares for the brands is 0.05 and the sum of squares for the error is 0.09, what is the decision rule if α = 0.05? ________________________ Difficulty: Hard Goal: 5 106. If the sum of squares for the brands is 0.07 and the sum of squares for the error is 0.11, what is the decision rule at α = 0.05? __________________________