HC Deb 17 May 1973 vol 856 c375W
Q12. Mr. Leslie Huckfield

asked the Prime Minister whether he will make a statement on the method of calculation and the basis of statistics he used in announcing the number of those working on May Day.

The Prime Minister

The number of workers on strike was assessed by the regional organisation of the Department of Employment, on the basis of inquiries of major employers and other information collected from the Department's network of local offices.