Statistical Investigations: PPDAC and Two-Way Tables (Year 9)
Free printable NZ Year 9 maths worksheet: read a two-way table of survey data (totals, fractions, percentages, comparing proportions) and identify PPDAC enquiry-cycle stages.
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Grade 8 · Math worksheet
Name
Date
Math
Statistical Investigations: PPDAC and Two-Way Tables
A class surveyed 45 students about how they travel to school and recorded year level and transport type in the two-way table. Use the table for the data questions, then name the PPDAC stage each description belongs to.
| Bus | Walk | Car | Total | |
|---|---|---|---|---|
| Year 9 | 5 | 7 | 13 | 25 |
| Year 10 | 5 | 10 | 5 | 20 |
- 1.Using the two-way table, how many students were surveyed in total?
- 2.Using the two-way table, what fraction of the Year 9 students travel by bus? Give your answer in simplest form.
- 3.Using the two-way table, what percentage of the Year 10 students walk to school?
- 4.Using the two-way table, which year level has the higher proportion of students who walk to school? Compare the two percentages.
- 5.Using the two-way table, how many of the surveyed students travel by car in total?
- 6.This survey followed the PPDAC statistical enquiry cycle. Which stage of PPDAC is this: deciding to investigate the question 'How do students in different year levels travel to school?'?
- a) Problem
- b) Plan
- c) Data
- d) Analysis
- e) Conclusion
- 7.This survey followed the PPDAC statistical enquiry cycle. Which stage of PPDAC is this: using the results to answer the original question, noting how the two year levels differ?
- a) Problem
- b) Plan
- c) Data
- d) Analysis
- e) Conclusion
- 8.This survey followed the PPDAC statistical enquiry cycle. Which stage of PPDAC is this: calculating the totals and percentages for each year level and drawing a graph of the results?
- a) Problem
- b) Plan
- c) Data
- d) Analysis
- e) Conclusion
- 9.This survey followed the PPDAC statistical enquiry cycle. Which stage of PPDAC is this: collecting the survey answers from each student and recording them in the table?
- a) Problem
- b) Plan
- c) Data
- d) Analysis
- e) Conclusion
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