Answer:
This sampling technique is called cluster
Step-by-step explanation:
Samples may be classified as:
Convenient: Sample drawn from a conveniently available pool.
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this question:
The population is divided into groups(by stores), and all elements of the groups(all customers at the stores are sampled), which is the characteristic of a cluster sampling.
Step-by-step explanation:
15 percent of solution = 12 × 0.15 = 1.8 Gallons of bleach
12 - 1.8 = 10.2 Gallons of water
Answer:
depends which way you rotate it
Step-by-step explanation:
counterclockwise rotation: (6,5)
clockwise rotation: (-6,-5)
Answer:
0.25 pounds of candy
Step-by-step explanation:
3.5 divided by 14 is 0.25
You know from the given information, there are 20 people in total.
When asked 14 people stated that they liked chocolate. This leaves a group of people out of 20 who do not like chocolate.
20-14=6
You know from this that 6 people do not like chocolate while 14 of them do
Hope I helped :)
