Exam 14: Analysis of Variance

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In a two-factor ANOVA, there are 4 levels for factor A, 5 levels for factor B, and 3 observations for each combination of factor A and factor B levels.The number of treatments in this experiment equals:

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Gold Funds An investor studied the percentage rates of return of three different gold funds.Random samples of percentage rates of return for four periods were taken from each fund.The results appear in the table below:  Gold Funds An investor studied the percentage rates of return of three different gold funds.Random samples of percentage rates of return for four periods were taken from each fund.The results appear in the table below:    -{Gold Funds Narrative} Set up the ANOVA Table.Use  \alpha  = 0.05 to determine the critical value. -{Gold Funds Narrative} Set up the ANOVA Table.Use α\alpha = 0.05 to determine the critical value.

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A randomized block design with 4 treatments and 5 blocks produced the following sum of squares values: SS(Total) = 1,951, SST = 349, SSE = 188 .The value of SSB must be:

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In the randomized block design for ANOVA, where k is the number of treatments and b is the number of blocks, the number of degrees of freedom for error is:

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In employing the randomized block design, the primary interest lies in reducing sum of squares for ____________________.

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The analysis of variance is a procedure that allows statisticians to compare two or more population:

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SSE in the independent samples design is equal to the sum of SS____________________ and SS____________________ in the randomized block design.

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In one-way analysis of variance, within-treatments variation is measured by:

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The F-test used in one-way ANOVA is an extension of the t-test of μ\mu 1 - μ\mu 2.

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The sum of squares for error is also known as the between-treatments variation.

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If we square the t-statistic for two means, the result is the ____________________-statistic.

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Gold Funds An investor studied the percentage rates of return of three different gold funds.Random samples of percentage rates of return for four periods were taken from each fund.The results appear in the table below: Gold Funds An investor studied the percentage rates of return of three different gold funds.Random samples of percentage rates of return for four periods were taken from each fund.The results appear in the table below:    -{Gold Funds Narrative} Test at the 5% significance level to determine whether the mean percentage rates for the three funds differ. -{Gold Funds Narrative} Test at the 5% significance level to determine whether the mean percentage rates for the three funds differ.

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Which of the following statements about multiple comparison methods is false?

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In ANOVA the populations are classified according to one or more criterion, called ____________________.

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____________________ multiple comparison method is based on the Studentized range statistic.

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In a two-factor ANOVA, always test for ____________________ first.

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Which of the following is true of Tukey's Multiple Comparison Method?

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In a completely randomized design, 15 experimental units were assigned to each of four treatments.Fill in the blanks (identified by asterisks) in the partial ANOVA table shown below. In a completely randomized design, 15 experimental units were assigned to each of four treatments.Fill in the blanks (identified by asterisks) in the partial ANOVA table shown below.

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The ANOVA procedure tests to determine whether differences exist between two or more population ____________________.

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Fisher's least significant difference (LSD) multiple comparison method is flawed because

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