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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單項(xiàng)選擇題

One advantage of a stem and leaf plot over a frequency distribution is that （）.

A.it contains more class intervals
B.the values of the original data are retained
C.the class midpoints are used as the stem
D.the class midpoints are used as the leaf

單項(xiàng)選擇題

The number of class intervals in a frequency distribution is usually between （）.

A.3 and 5
B.7 and 9
C.5 and 15
D.1 and 25

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

你可能感興趣的試題

One advantage of a stem and leaf plot over a frequency distribution is that （）.

The number of class intervals in a frequency distribution is usually between （）.