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Question
Data from a completely randomized design are shown in the following table.| Treatment Level | ||
| 1 | 2 | 3 |
| 27 | 26 | 27 |
| 26 | 22 | 29 |
| 23 | 21 | 27 |
| 24 | 23 | 26 |
For a one-way ANOVA using a= 0.05, the appropriate decision is ________.
a) do not reject the null hypothesism1 m2 m3
b) do not reject the null hypothesism1 m2 m3
c) reject the null hypothesism1= m2= m3
d) reject the null hypothesism1 m2 m3
e) do not reject the null hypothesism1 m2 m3
Answer
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22
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21
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Annie Mikhail, market analyst for a national company specializing in historic city tours, is analyzing the relationship between the sales revenue from historic city tours and the size of the city. She gathers data from six cities in which the tours are offered. Annie's dependent variable is annual sales revenues and her independent variable is the city population. Regression analysis of the data yielded the following tables. Coefficients
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Q:
Annie Mikhail, market analyst for a national company specializing in historic city tours, is analyzing the relationship between the sales revenue from historic city tours and the size of the city. She gathers data from six cities in which the tours are offered. Annie's dependent variable is annual sales revenues and her independent variable is the city population. Regression analysis of the data yielded the following tables. Coefficients
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df
SS
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3.550325
3.550325
63.20809 r2 = 0.940483 Residual
4
0.224675
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5
3.775 Annie's sample size is __________.
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Q:
Annie Mikhail, market analyst for a national company specializing in historic city tours, is analyzing the relationship between the sales revenue from historic city tours and the size of the city. She gathers data from six cities in which the tours are offered. Annie's dependent variable is annual sales revenues and her independent variable is the city population. Regression analysis of the data yielded the following tables. Coefficients
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3.550325
3.550325
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0.224675
0.056169 Total
5
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The proportion of variability of the dependent variable accounted for or explained by the independent variable is called the _______.
a) sum of squares error
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The numerical value of the coefficient of determination must be _______.
a) between -1 and +1
b) between -1 and 0
c) between 0 and 1
d) equal to SSE/(n-2)
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A standard deviation of the error of the regression model is called the _______.
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Q:
The following residuals plot indicates _______________. a) a nonlinear relation
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c) the simple regression assumptions are met
d) the sample is biased
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