students were asked how many minutes it took them to eat breakfast this morning. the results are recorded…
students were asked how many minutes it took them to eat breakfast this morning. the results are recorded below. how many students were in the survey? minutes to eat breakfast 0 1 2 3 4 5 6 7 8 9 10 11 12
Answer
Explanation:
Step1: Count dots per row
Count the number of blue dots in each row of the dot - plot.
Step2: Sum all counts
Add up the number of dots in each row. 0 minutes: 5 dots; 1 minute: 2 dots; 2 minutes: 3 dots; 3 minutes: 5 dots; 4 minutes: 2 dots; 5 minutes: 4 dots; 8 minutes: 2 dots; 9 minutes: 3 dots; 10 minutes: 6 dots; 11 minutes: 4 dots; 12 minutes: 1 dot. $5 + 2+3 + 5+2 + 4+2+3+6+4+1=37$
Answer:
37