Question

calculate the arithmetic mean from the data
step deviation in statistics​

Answer 1

Answer:

Step 1:  create a class mark table and name it as x

Step 2: select a class mark and name it as "a"

Step 3: Find "d" for each class using the formula: d = x-a

Step 4: Find "u" for each class using the formula : u=d/height of class

Step 5: find total frequency of frequency and frequency*u

Step 6: use the formula mean= a + fu/f * d

Step 7: You will get your answer

Good luck!