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Is a histogram a bar graph that shows the number of times data occurs within intervals?
yes
What do you mean by mode and what is the formula of mode?
The mode is the data value that occurs the most number of times. If there are two data values that occur the most, then you will have 2 modes and it is called bimodal. Three or more is called multimodal. For example, if you have a set of numbers - 1, 4, 3, 2, 6, 4, 8, 4, 7, 3, 5. The mode is 4 as it occurs the most number of times.
What is meaning of mode?
Mode is how often a number occurs in a set of data. To find the mode, you see which number occurs the most. There may be more than one mode. Example: 2, 3, 4, 4, 5, 7, 7, 7, 9, 13 The mode is 7 because it appears the most times in this set of data.
Can there be three modes in a set of data?
Yes, the mode is the value that occurs the most frequently in a data set. You can have non-unique modes where a value occurs the same number of times as another value. For example, the modes of 1, 1, 2, 3, 3, 4, 4 are 1, 3 & 4
Is the number of permutations of 2 items from the same data set always 2 times the number of combiations when taking 2 objects from a data set?
Yes
