Vey A forest ranger wants to do a quick survey to check the general health of the trees in his care.
Oak 40
Beech 32
Walnut 8
Pine 64
Spruce 16
He has enough time to survey 60 trees and he wants to do a stratified survey.
How many oaks should he survey.
How many pine should he survey
[3]
40
These are: :
Beech
32
Walnut
8
Pine
64
Spruce
16
He has enough time to survey 60 trees,
and he wants to do a stratified survey.

Oak 40
Beech 32
Walnut 8
Pine 64
Spruce 16

How many oaks should he survey?
How many pines should he survey?

An animal shelter has 21 puppies. if the puppies are 28% of the total dogs and cat population how many dogs and cats are in the animal shelter

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.