Que. 1 Calculate and interpret mean absolute deviation

Step 1: Find the mean score

Step 2: Find the distance or deviation of each value from the mean.

Step 3: Find the sum of the distances.

Step 4: Divide the sum by the number of data values to find the MAD.

theres no picture: /

step-by-step explanation:

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,