1、 3.05 2.91 2.75 3.51 2.89 2.83 2.79 2.94 1? 2. What do you find by analyzing the data? 2、 The weight of boys in a class is as follows. (unit: kg) 32 39 40 35 37 29 51 27 34 31 35 36 36 52 35 45 33 32 33 28 1. What are the median, average and mode of this set of data? What do you find? 2. If the weight is between 29 kg and 45 kg, how about the weight of boys in this class?

1、 3.05 2.91 2.75 3.51 2.89 2.83 2.79 2.94 1? 2. What do you find by analyzing the data? 2、 The weight of boys in a class is as follows. (unit: kg) 32 39 40 35 37 29 51 27 34 31 35 36 36 52 35 45 33 32 33 28 1. What are the median, average and mode of this set of data? What do you find? 2. If the weight is between 29 kg and 45 kg, how about the weight of boys in this class?


1、 1. The average is 295875
The median was 2,9
Mode?
2、 1. The median was 35
The average is 36
The mode is 35
2. Normal



There are 10 workers in a workshop. The daily output per capita in October is as follows.424450515348495243 calculate the average and median of this group of data


The average is 47.8
The median is 48



The average of 49,50,51, a and B of a sample is 50, and the variance is 4. Find out the value of a and B in the sample and write the sample


Use sum to be 500, and then put it into formula to solve equation. Variance can also be calculated by computer



There are nine numbers in a row. The average of them is 32. The average of the first five numbers is 28. The average of the last five numbers is 33?


28×5+33×5-32x9=17