A survey asking people about their favourite pet was carried out last week. Some of the results are shown in the dual bar chart below. 12 Frequency 10 Cat Key: Men Women Dog Rabbit Hamster Other Favourite pet a) What was the most popular choice for women? 2 men chose 'hamster'. b) Complete the bar chart using this information. c) How many more people chose 'dog' than 'cat'? d) How many people were surveyed in total? ​