Question

1. the graph below represents the result of a survey in which a number of students reported how many letters were in their last names. name length how many students were surveyed?

Explanation:

Step1: Count dots for each length

For 3 - letter names, there are 2 dots. For 4 - letter names, there are 2 dots. For 6 - letter names, there are 3 dots. For 8 - letter names, there are 2 dots. For 9 - letter names, there is 1 dot. For 10 - letter names, there is 1 dot.

Step2: Sum up the dots

$2 + 2+3 + 2+1 + 1=11$

Answer:

11