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The following data represent scores on a pop quiz in a statistics section. (See the Excel Data File.) Suppose the data are grouped into five classes, and one of them will be "30 up to 44"-that is, {x; 30 ≤ x < 44}. The relative frequency of this class is ________.
Q9: A business settles a liability by making
Q14: A not-for-profit organization has owners just like
Q34: The annual returns (in percent) for a
Q48: The manager at a water park constructed
Q60: Mean-variance analysis suggests that investments with lower
Q77: Which of the following statements about variance
Q102: Equipment is purchased for cash. Which of
Q117: Which of the following statements is most
Q128: Two events A and B can be
Q153: The relative proportion of economic resources and