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lesya [120]
3 years ago
10

The Career Placement department at a university wants to administer a survey to determine student awareness of the resources off

ered. The department expects that student awareness of the Career Placement resources will vary significantly depending on how many years a student has attended the university, so they plan to randomly select 30 freshmen, 30 sophomore, 30 juniors, and 30 seniors. This type of sample can be best described as a:_______.(A) simple random sample.(B) systematic sample.(C) stratified sample.(D) cluster sample.(E) block sample.
Mathematics
1 answer:
Finger [1]3 years ago
6 0

Answer:

stratified sample

Step-by-step explanation:

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Natali5045456 [20]
The formula for the sum of n terms in an arithmetic progression is:
S = n/2 * (2a + (n-1)d)
Here, the common difference, d, is 8 and the first term, a, is 1. Substituting these into the formula, we get:

S = n/2 * (2*1 + 8(n - 1))
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8 0
3 years ago
Which phrase best describes the graph of a proportional relationship? A.a straight line passing through the origin B.a straight
Phantasy [73]
Based upon the answer choices, the answer is A;

A Straight line passing through the origin.

I hope this answer has assisted you.


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2 years ago
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Find the area of the rectangle with the given base and height.
Temka [501]

Answer: 3 1/3 ft^2

Step-by-step explanation:

Start by converting the inches into feet

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marishachu [46]

Answer:

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