15-7. Five groups were independently and randomly polled regarding the issue of stricter handgun control. Are the population proportions of individuals favoring stricter handgun control the same across the groups polled?

Choose α = 0.10.

Stricter Handgun Control In Favor Opposed Group Law Enforcement Officers 37 13 Hunters 10 40 High School Teachers 25 25 Clergy 40 10 Shopkeepers 30 20