Directions: In each of the questions below, five sentences are given that may or may not contain an error. Choose the one that is grammatically or contextually incorrect and meaningless. If all the sentences are correct, mark 'All are correct as your answer'.
1
The data shows a significant increase in customer satisfaction.
2
The company's new policy affects all employees immediately.
3
There is less people attending the lecture than expected.
4
She runs more quickly than anyone else on the team.
5
All are correct.