Two-Way Tables and Scatterplots (Grade 8)
Free printable Grade 8 worksheet on reading two-way tables and describing correlation in scatterplots.
How to teach scatterplots and two-way tables teaching guide, with a worked explanation.
✓ Answer key checked by math, never wrong
Grade 8 · Math worksheet
Name
Date
Math
Statistics: Two-Way Tables and Scatterplots
Use the survey description to answer the two-way table question, or describe the correlation shown by the scatterplot points.
- 1.A survey of 43 students found: 11 students both own a pet and have a sibling. 11 students own a pet but do not have a sibling. 8 students do not own a pet but do have a sibling. 13 students neither own a pet nor have a sibling. How many students neither own a pet nor have a sibling?
- 2.A survey of 40 students found: 8 students both own a pet and have a sibling. 7 students own a pet but do not have a sibling. 10 students do not own a pet but do have a sibling. 15 students neither own a pet nor have a sibling. How many students neither own a pet nor have a sibling?
- 3.A survey of 37 students found: 6 students both own a pet and have a sibling. 11 students own a pet but do not have a sibling. 8 students do not own a pet but do have a sibling. 12 students neither own a pet nor have a sibling. How many students were surveyed in total?
- 4.A survey of 41 students found: 8 students both play a sport and play a musical instrument. 11 students play a sport but do not play a musical instrument. 9 students do not play a sport but do play a musical instrument. 13 students neither play a sport nor play a musical instrument. How many students neither play a sport nor play a musical instrument?
- 5.A survey of 37 students found: 13 students both own a pet and have a sibling. 11 students own a pet but do not have a sibling. 5 students do not own a pet but do have a sibling. 8 students neither own a pet nor have a sibling. How many students have a sibling, in total?
- 6.A survey of 31 students found: 4 students both have a part-time job and like maths class. 15 students have a part-time job but do not like maths class. 6 students do not have a part-time job but do like maths class. 6 students neither have a part-time job nor like maths class. How many students neither have a part-time job nor like maths class?
- 7.A scatterplot has these points: (3, 42), (5, 38), (7, 37), (6, 39), (11, 26). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
- 8.A scatterplot has these points: (5, 40), (8, 10), (7, 18), (11, 38), (13, 41). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
- 9.A scatterplot has these points: (5, 27), (6, 26), (7, 27), (11, 6), (13, 29). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
- 10.A scatterplot has these points: (3, 44), (6, 38), (7, 34), (6, 38), (11, 27). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
- 11.A scatterplot has these points: (4, 29), (7, 32), (8, 17), (10, 42), (16, 37). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
- 12.A scatterplot has these points: (3, 7), (5, 9), (5, 10), (9, 18), (7, 15). As x increases, does y increase, decrease, or show no clear pattern? Describe the correlation.
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