Answer: simple random sampling
Step-by-step explanation:
In statistics, when a subset of individuals known as sample chosen from a population by a random selection of individuals such that the chances of selecting each individual is same, then the sampling method is called simple random sampling method.
Given: To assess the learning outcomes of a Statistic course, 5 students are chosen at random from each of the 30 Statistics classes.
here chances for selectin students is same.
The sampling method used here : " simple random sampling "
Answer:
D. 8
Step-by-step explanation:
the upper quartile = 8
Answer:
19/30
Step-by-step explanation:
1/5 + 2/15 + 3/10
We need the LCD of 5, 15, and 10.
LCD = 30
1/5 + 2/15 + 3/10 =
= 6/30 + 4/30 + 9/30
= 19/30
Answer: 19/30
3W+6R=210
For R:25
3W+6(25)=210
3W=150=210
3W=60
W=30
Answer:
2 ^ 15
Step-by-step explanation:
2 ^9 * 2 ^ 2 * 2 ^ 4
When we multiply numbers with the same base, we can add the exponents
a^ b * a^ c = a^(b+c)
2 ^9 * 2 ^ 2 * 2 ^ 4
2 ^ ( 9+2+4)
2 ^ 15