A researcher is concerned about Australians' physical activity during the lockdown. S/he wants to understand whether change in amount of physical activity during the COVID-19 lockdown depends on people's age.

The following table shows a random sample of Australians in different age groups and their change in amount of physical activity (n= 193193). Use the table to answer the questions which follow

Change in amount of physical activity during the COVID-19 lockdown by age group Age group More than before No change Less than before 60+ 16 24 46 40-49 28 47 32