Among the 30 data, the minimum value is 31 and the maximum value is 98. If the group distance is 8, these data can be divided into two groups______ Group

Among the 30 data, the minimum value is 31 and the maximum value is 98. If the group distance is 8, these data can be divided into two groups______ Group

In the sample data, the maximum value is 98, the minimum value is 31, their difference is 98-31 = 67, the known group distance is 8, then because 67 △ 8 = 8.375, it can be divided into 9 groups

How to determine group distance and group number

Group number and group distance can only be determined, there is no limit. As long as one is determined, the other can be calculated according to the formula in the book

What is the frequency? What is the distance and number of groups? The respondents scored 55 points

Frequency refers to the number of times something appears, which is called frequency
Group distance refers to the data range of each group in the statistical chart
The number of groups refers to the number of groups