This chart shows the calories of several sandwiches at a restaurant. Find the mean and mean absolute deviation of this set of data, and then describe what the mean absolute deviation represents. Sandwich Calories

242290

290280

390350

abde or 1,2,4, 5 is the answer

step-by-step explanation:

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for