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NeTakaya
3 years ago
13

A randomized block design was used to study the amount of grants awarded to students at a large university. One block consisted

of undergraduate students and the other block consisted of graduate students. Samples of size were taken from each block. Could the combined sample of be considered a simple random sample from the population of all students, undergraduate and all graduate, at the university? Explain.
Mathematics
1 answer:
Kruka [31]3 years ago
4 0

Answer:No,random sampling technique will not fit this scenario.A stratified sampling technique will be more appropriate.

Step-by-step explanation:

The random sampling technique is basically used when datas to be selected such that all members of the population has an equal chances of being selected.so any random pick is taken as a representative of the sample.

When categorization is required,then stratified sampling technique is more appropriate i.e the sample are picked careful ly from the two homogeneous classes as a representative of the sample .

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Please help me understand
Svetach [21]

Answer/Step-by-step explanation:

The problem replaces the x with the appropriate input. It is asking for you to find the correct output (y). Looking at the graph, when the point hits -1 on the x value, the value for y is 3. So, the correct output is 3.

3 0
2 years ago
HELP ASAP
dalvyx [7]
So,

All we have to do is multiply all three dimensions together.

First, convert all fractions into improper fractions.

3 \frac{1}{5}--\ \textgreater \  \frac{16}{5}

1 \frac{3}{4} --\ \textgreater \  \frac{7}{4}

2 \frac{1}{4} --\ \textgreater \ \frac{9}{4}

Now multiply the fractions together.

<span>\frac{16}{5}*\frac{7}{4}*\frac{9}{4}= \frac{2*2*2*2*3*3*7}{2*2*2*2*5}
</span>
\frac{3*3*7}{5}--\ \textgreater \ \frac{63}{5}\ or\ 12 \frac{3}{5}\ ft.^3

The correct option is C.
4 0
2 years ago
HELPP FAST I'LL GIVE BRAINLIEST!!!!!!!!!!!
kkurt [141]

Answer:

CD is 60

i think

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
90 is what percent of 270
erik [133]

Answer:

33 \frac{1}{3}%

Step-by-step explanation:

Create a fraction where the of value is on the denominator, then multiply by 100% to change to a percentage, that is

\frac{90}{270} ×100%

= 33.3333... × 100% = 33.333... % = 33 \frac{1}{3}% ← exact value



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3 years ago
A motorboat travels 448 kilometers in 8 hours going upstream and 516 kilometers in 6 hours going downstream. What is the rate of
EleoNora [17]
Where are the answer choices ?
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3 years ago
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