MATHEMATICS

53. (Points: 1)

If X and Y are transformed into z scores, and the slope of the regression line of the z scores is -0.80, what is the value of the correlation coefficient?

1. 0.30
2. -0.40
3. 0.70
4. -0.80
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54. (Points: 1)

If the regression equation for a set of data is Y’ = 2.650X + 11.250 then the value of Y’ for X = 33 is ____.

1. 87.45
2. 98.70
3. 76.20
4. 371.25
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55. (Points: 1)

If = 57.2, = 84.6, and bY = 0.37, the value of aY = ____

1. 63.44
2. -25.90
3. 27.40
4. 141.80
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56. (Points: 1)

SPSS software can be used to do ____ .

1. only inferrential statistics
2. both descriptive and inferrential statistics
3. neither descriptive nor inferrential statistics
4. only descriptive statistics
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57. (Points: 1)

In SPSS, you can enter data by ____ .

1. only typing directly into the data editor
2. both typing directly into the data editor and opening saved data files that are stored on your computer
3. only opening saved data files that are stored on your computer
4. opening a Microsoft Word document
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58. (Points: 1)

SPSS has a window called ____.

1. “variable view”.
2. “quick analysis”
3. “statistical methods”.
4. “easy analysis”
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59. (Points: 1)

SPSS software gives you an option to ____.

1. automatically write a paragraph explaing your results
2. automatically pick the right statistical procedure to analyze your data
3. generate graphs
4. decide if your results are meaningful
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60. (Points: 1)

In SPSS, when you click on Analyze and then select Descriptive Statistics, this function allows you to compute the ____.

1. range
2. mean
3. standard deviation
4. all of the three given options (above or below).

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