Alocal hardware business wishes to find out how many of the local residents would use a delivery service. they call every tenth person in the local listings of the phone book.
which type of sampling is used?
a. convenience
b. stratified
c. cluster
d. systematic

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?