Answer:
Step-by-step explanation:
Please excuse my handwriting lol.
The slope is 0 in this case because you are not moving up or down to get to the next point.
Mark me as brainliest if I helped!
Hope I did:)
Answer: t = -93
Step-by-step explanation:
64= -8(t+85)
64= -8t - 680
744= -8t
93= -t
93= t
Given
49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.
To find:
Which of these types of sampling is used: random, stratified, systematic, cluster, convenience?
Explanation:
It is given that,
49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.
That implies,
Since Stratified random sampling is a method of sampling that involves dividing a population into smaller groups–called strata.
Then, the random sampling used is Stratified Random Sampling.
C =
r
9.5 = 2
r
r = 4.75
r = 1.511971959
The number above should be rounded to the nearest 2 decimal places, so the answer is 1.51.
