GCSE Secondary Maths Age 13-17 - Number: 2 Way Tables - Explained

The video tutorial discusses the sales and workforce data of two companies, A and B, for the years 2004 and 2014. It explains how to calculate the percentage increase in sales over this period using a specific formula. The tutorial also compares the sales per worker for both companies in 2014, demonstrating the calculation process and emphasizing the importance of understanding the data provided. The video concludes with advice on carefully reading and interpreting data questions.

What information is provided about companies A and B?

• Sales and number of workers in 2010 and 2020

• Number of workers and profits in 2004 and 2014

• Sales and number of workers in 2004 and 2014

• Sales and profits in 2004 and 2014

What is the formula for calculating percentage change?

• Original amount multiplied by actual change, divided by 100

• Actual change divided by original amount, multiplied by 100

• Original amount divided by actual change, multiplied by 100

• Actual change multiplied by original amount, divided by 100

What was the percentage increase in sales from 2004 to 2014 for Company A?

• 25.00%

• 21.25%

• 18.50%

• 15.75%

In 2014, which company had more sales per worker?

• Not enough information

• Company A

• Company B

• Both had the same sales per worker

How many workers did Company A have in 2014?

• 640

• 3200

• 57

• 388

What was the sales per worker for Company B in 2014?

• £121,250

• £89,062.50

• £57,000

• £320,000

What is the key advice given at the end of the video?

• Ignore the units provided

• Focus only on the final answer

• Read the information carefully and follow instructions

• Always guess if unsure