If a distribution for a quantitative variable is thought to be nearly symmetric with very little variation, and a box and whisker plot is created for this distribution, which of the following is true?
A) The box will be quite wide but the whisker will be very short.
B) The left and right-hand edges of the box will be approximately equal distance from the median.
C) The whiskers should be about half as long as the box is wide.
D) The upper whisker will be much longer than the lower whisker.
Question 2
The normal continuous probability distribution is characterized by two parameters, ________.
A) the mean, , and the median
B) the median and the standard deviation,
C) the mean, , and the variance, 2
D) the mode and the range
Quantitative Variation
The asymmetrical appearance of Mira, an oscillating variable star.
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