10) The college of business was interested in comparing the interaction of acade
ID: 3058019 • Letter: 1
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10) The college of business was interested in comparing the interaction of academic status and class time on class attendance. Three different classes were sampled for each cell in the table. The means for each cell follow Academis status 8:00 am Class 25 9 30 am Class 1:00 m Class 25 32 35 esis t 32 35 Graduate students What are the error degrees of freedom? A) 2 B) 30 C)14 D) 44 11) The college of business was interested in comparing the attendance for three different class times for a test l of s business statistics class. The data follow. ost 9:30 am Class 30 32 35 8:00 am Class 25 11:00 am Class Monda Tuesday Wednesday 40 32 32 35 Thursday 30 What is the critical F statistic for testing the hypothesis of equal treatment means at the 0.05 significance level? A) 6.94 B)3.84 C)4.46 D) 1.96 12) An experiment to determine the most effective way to teach safety principles applied four different teaching methods. Some employees were given programmed instruction booklets and worked through the course at their own pace. Other employees attended lectures. A third group watched a television presentation, and a fourth group was divided into small discussion groups. A high of 10 was possible. A sample of five tests was selected from each group. The test grade results were: eSample Number |Programmed Instruction Lecture TV Group Discussion At the 0.01 level, what is the critical value? A) 3.24 B)5.29 C1.00 D) 1.96 13) A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10Explanation / Answer
10) The college of business was interested in comparing the interaction of academic status and class time on class attendance. Three different classes were sampled for each cell in the table. The means for each cell follow Academis status 8:00 am Class 25 9 30 am Class 1:00 m Class 25 32 35 esis t 32 35 Graduate students What are the error degrees of freedom? A) 2 B) 30 C)14 D) 44 11) The college of business was interested in comparing the attendance for three different class times for a test l of s business statistics class. The data follow. ost 9:30 am Class 30 32 35 8:00 am Class 25 11:00 am Class Monda Tuesday Wednesday 40 32 32 35 Thursday 30 What is the critical F statistic for testing the hypothesis of equal treatment means at the 0.05 significance level? A) 6.94 B)3.84 C)4.46 D) 1.96 12) An experiment to determine the most effective way to teach safety principles applied four different teaching methods. Some employees were given programmed instruction booklets and worked through the course at their own pace. Other employees attended lectures. A third group watched a television presentation, and a fourth group was divided into small discussion groups. A high of 10 was possible. A sample of five tests was selected from each group. The test grade results were: eSample Number |Programmed Instruction Lecture TV Group Discussion At the 0.01 level, what is the critical value? A) 3.24 B)5.29 C1.00 D) 1.96 13) A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10
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