The median of a data set with 20 items would be the average of the 10th and the 11th items in the ordered array.
举一反三
- The median of a data set with 20 items would be the average of the 10th and the 11th items in the ordered array. A: 正确 B: 错误
- If a data set has an even number of observations, the median is the<br/>average value of the two middle items. ( <br/>)
- The arithmetic average of a set of data is known as its . A: mean B: median C: precision D: experimental result
- Which statement below initializes array items to contain 3 rows and 2 columns? ( ) A: int[][] items = {{2, 4}, {6, 8}, {10, 12}}; B: int[][] items = {{2, 6, 10}, {4, 8, 12}}; C: int[][] items = {2, 4}, {6, 8}, {10, 12}; D: int[][] items = {2, 6, 10}, {4, 8, 12};
- Arrays are data structures consisting of related data items of the same __________.