單項(xiàng)選擇題

A cumulative frequency distribution would provide（）.

A.a graph of a frequency distribution
B.a running total of the frequencies in the classes
C.the proportion of the total frequencies which fall into each class
D.a very cloudy picture of the frequencies

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單項(xiàng)選擇題

Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）

A.histogram
B.ogive
C.stem and leaf chart
D.pie chart

單項(xiàng)選擇題

One rule that must always be followed in constructing frequency distributions is that （）.

A.the number of classes must be less than 10
B.each data point can only fall into one class
C.the width of each class is equal to the range
D.the number of intervals must be an odd number

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A cumulative frequency distribution would provide（）.

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Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）

One rule that must always be followed in constructing frequency distributions is that （）.

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Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）