Slope = 75
Y-intercept = 150
Answer:
a) cluster sampling
Step-by-step explanation:
In cluster sampling method, each member of a population is assigned to one and only one group.This means clusters are formed through probability method usually a simple random sampling.The participants in the clusters are the only one to be surveyed.
In this example, simple random sampling is used to identify 12 home rooms(cluster) where a group of 20 students (participants) in each room is given the survey.
Answer:
46.94 degrees (approx)
Step-by-step explanation:
first go in setting after that click on change after that choose ur country by scrolling up and down
Answer:
27.27%
Step-by-step explanation:
Given that,
Initial price = 11
Final price = 8
We need to find the percentage change in the price. It can be calculated as follows :
% = [(final-initial)/initial] × 100
So,

So, the percentage decrease is 27.27%.