Question

the readers of a magazine reported how many winter hats they owned.
winter hats
dot plot with xs representing number of hats: 0 has 10 xs, 1 has 5 xs, 2 has 8 xs, 3 has 6 xs, 4 has 1 x, 5 has 4 xs, 6 has 9 xs
how many readers have at least 3 hats?
readers

Explanation:

Step1: Count readers with 3 hats

From the graph, number of X's at 3 is 6. So, 6 readers.

Step2: Count readers with 4 hats

Number of X's at 4 is 1. So, 1 reader.

Step3: Count readers with 5 hats

Number of X's at 5 is 4. So, 4 readers.

Step4: Count readers with 6 hats

Number of X's at 6 is 9. So, 9 readers.

Step5: Sum the counts

Add the counts: \(6 + 1 + 4 + 9 = 20\).

Answer:

20