Question

question
the dot plot below represents the
number of letters in the last names of
some students in a class.

name length

what was the median name
length?

answer
attempt 1 out of 2

letters

Explanation:

Step1: Count total data points

Count dots: 1 (4) + 3 (6) + 1 (7) + 1 (9) + 1 (10) = 7 points.

Step2: Find median position

For \( n = 7 \) (odd), median is at \( \frac{n + 1}{2} = 4 \)-th position.

Step3: Order data and find 4th value

Order: 4, 6, 6, 6, 7, 9, 10. 4th value is 6.

Answer:

6