In histograms or frequency polygons, the vertical axis
A) Represents the range of scores for the variable.
B) Represents the frequency of the scores.
C) Is also known as the x-axis.
D) Is also known as the abscissa.
Answer: B
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Which of the following examples shows a positive or direct correlation?
a) A study showing the correlation between reading scores and physical education scores is -.63. b) A study showing the correlation between ice cream sales and heat is +.78. c) The scattergram of pipe smoking and eye color. d) The coefficient of determination.
Baby boomers, women, and voters with higher levels of education tend to have a ____________ voter turnout.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a key factor in the increased size of the Cabinet over the years?
A) president's inability to get legislative initiatives passed by Congress B) growth in the responsibilities of government C) new congressional requirement that Cabinet departments have an equal relationship with a particular congressional committee D) the feeling that the Cabinet should remain proportional in size to the bureaucracy E) president's need to be seen as a consensus builder
The Long Range Acoustic Device (LRAD) blasts sounds at a deafening 150 decibels to give enemy combatants an instant headache
a. True b. False Indicate whether the statement is true or false