What is true of the data in the Dot Plot check on that apply number of televisions per household?

first and last

Step-by-step explanation:

Total observations:

3 + 7 + 7 + 4 + 1 = 22

There are 22 observations, so data from 22 households

Median position: (n + 1)/2

(22 + 1)/2 = 23/2 = 11.5th value

median is the average of 11th and 12th values, both are 2. So the average is also 2

Therefore, Centre is at 2

for the points

step-by-step explanation:

17

step-by-step explanation:

51/3=17

thus 17 is your answer.