Question

draw a dot plot for these numbers. (a dot plot is sometimes called a \line plot\.) 9, 9, 8, 7, 7, 6, 2, 6, 7, 9, 7

Explanation:

Step1: Count occurrences of each number

• Number 2: occurs 1 time
• Number 6: occurs 2 times
• Number 7: occurs 4 times
• Number 8: occurs 1 time
• Number 9: occurs 3 times
• Numbers 1,3,4,5: occur 0 times

Step2: Place dots on the number line

• Above 2: 1 dot
• Above 6: 2 dots
• Above 7: 4 dots
• Above 8: 1 dot
• Above 9: 3 dots
• Above 1,3,4,5: 0 dots

(Visually, on the given number line from 1 to 9:

• At 2: •
• At 6: • •
• At 7: • • • •
• At 8: •
• At 9: • • •
• At 1,3,4,5: no dots)

Answer:

The dot plot has:

• 0 dots above 1, 3, 4, 5
• 1 dot above 2
• 2 dots above 6
• 4 dots above 7
• 1 dot above 8
• 3 dots above 9

(Visually represented as:

1: (no dots)
2: •
3: (no dots)
4: (no dots)
5: (no dots)
6: • •
7: • • • •
8: •
9: • • • )