Identify logical relationships, patterns and features in data: แบบฝึกหัด

A hybrid car's fuel efficiency (km/litre) varies with speed (km/h) as shown in the graph below:

Based on the graph, which of the following statements is the most accurate interpretation of the car's fuel efficiency?

A manufacturing plant operates three production lines, A, B, and C, for 8 hours each day. The daily output and average defect rate for each line are given below:

The plant manager wants to identify the line that produces the highest number of acceptable (non-defective) units per day. Which line achieves this?

A census recorded the population of two small towns, Alpha and Beta, over a period of three years. The table below shows the population figures:

Which town experienced the largest percentage increase in population from 2021 to 2022?

A project involves four sequential stages. Each stage has a setup time and a processing time per unit. Batches of 50 units are processed at a time. The times are:

What is the total time required, in hours, to process a batch of 150 units from start to finish through all four stages?

A library recorded the following book loans over four weeks:
Week 1: 120 Fiction, 80 Non-Fiction
Week 2: 110 Fiction, 95 Non-Fiction
Week 3: 130 Fiction, 70 Non-Fiction
Week 4: 105 Fiction, 110 Non-Fiction

Which of the following statements is true based on this data?

A teacher records the following distribution of student grades: Grade A: 5 students; Grade B: 10 students; Grade C: 15 students; Grade D: 10 students. If the teacher represents this data in a pie chart, what is the angle of the sector that represents Grade C?