A landlord wants to know the average income of his tenants. He selects three of his eight apartment complexes and collects income information from several randomly chosen tenants within the selected complexes.
A health agency needs to assess the performance of hospitals in a region but does not have the resources to evaluate each hospital. To reduce costs, the agency selects 5 of the 23 hospitals in the region and samples data related to performance from randomly chosen days and times.
Answer: Options D and E.
<u>Explanation:</u>
Cluster sampling is a sampling plan used when mutually homogeneous yet internally heterogeneous groupings are evident in a statistical population. It is often used in marketing research. In this sampling plan, the total population is divided into these groups and a simple random sample of the groups is selected.
Stratified sampling is a probability sampling technique wherein the researcher divides the entire population into different subgroups or strata, then selects the final subjects proportionally from the different strata.
The meter is the SI unit of measurement for length.
Answer:
12/3 which is =4
Step-by-step explanation:
for adding fractions you keep the denominator the same and just add or subtract the numerators
2+11-1=12
When you post a question on Brainly, at the bottom left side you can see three symbols. One of symbols is that of a clip or what you call a paperclip.
When you double click that icon of a paperclip, a box will appear which will ask you to choose from the options: 'take photo or video', 'photo library' or 'iCloud'.
Choose the option from where you want to upload the picture from or choose 'photo library' if you want to upload a picture from your gallery.
I hope this will help you.
