The dot plots represent the results of people being asked to rate their dining experience.

Blue Terrace mean rating = 6.1

Paradiso Grill mean rating = 6.3

Find the mean absolute deviations.

Blue Terrace:
Paradiso Grill:
Which restaurant has the most variation in customer ratings?

Blue Terrace: 0.92 and Paradiso Grill 1.1 and Which restaurant has the most variation in customer ratings = Paradiso grill

Step-by-step explanation:

, 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

hard

step-by-step explanation: