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azamat
2 years ago
13

A researcher asks students to rate their feeling toward an increase in tuition on a seven-point scale ranging from "opposed" to

"in favor of." Which type of measurement scale has the researcher used? A. Nominal B. Ordinal C. Interval D. Ratio
Mathematics
1 answer:
ElenaW [278]2 years ago
7 0

Answer: B

Step-by-step explanation:

In statistical terms ,ordinal scale contains things that you can place in order.

For example, hottest to coldest, lightest to heaviest, richest to poorest. Basically, if you can rank data by 1st, 2nd, 3rd place (and so on), then you have data that’s on an ordinal scale.

You might be interested in
A home gardener estimates that 24 apple trees will have an average yield of 104 apples per tree. But because of the size of the
d1i1m1o1n [39]

Answer:

The farmer should plant 14 additional trees, for maximum yield.

Step-by-step explanation:

Given

Trees = 24

Yield = 104

x \to additional\ trees

So, we have:

Trees = 24 + x

Yield = 104 - 2x

Required

The additional trees to be planted for maximum yield

The function is:

f(x) = Trees * Yield

f(x) = (24 + x) * (104 - 2x)

Open bracket

f(x) = 24 * 104 + 104x - 24 * 2x - x * 2x

f(x) = 2796 + 104x - 48x - 2x^2

f(x) = 2796 + 56x - 2x^2

Rewrite as:

f(x) = - 2x^2 + 56x + 2796

Differentiate

f'(x) = -4x + 56

Equate f'(x) = -4x + 56 to 0 and solve for x to get the maximum of x

-4x + 56 = 0

-4x =- 56

Divide by -4

x =14

The farmer should plant 14 additional trees, for maximum yield.

5 0
3 years ago
A bag contains 6 red marbles, 2 white marbles, and 1 gray marble.You randomly pick out a marble,record its color,and put it back
Dominik [7]
You should expect 5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's 1/9 45 times, or 1/9(45). 

\frac{1}{9} * \frac{45}{1}

1*45 is 45

9*1 is 9.

45/9 is 5.
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<em>Be sure to choose which answer is Brainliest!</em>
8 0
3 years ago
In a rectangle MPKN, the diagonals intersect each other at point O. A line segment OA is an altitude of a triangle MOP, and m∠AO
WINSTONCH [101]

Answer:

72

Step-by-step explanation:

6 0
2 years ago
The radius of circular pond is 35 m.
Goshia [24]

Answer:

3848,451001

Step-by-step explanation:

A = πr²

A = π[35]²

A = 1225π

A = 3848,451001

I hope this is correct, and as always, I am joyous to assist anyone at any time.

3 0
3 years ago
Find the missing lengths and leave answers as radicals in simplest form?
ElenaW [278]

Answer:

x=6

y=3

Step-by-step explanation:

y(side)= x

x(side)=2x

3rd side (3\sqrt{3}) = x\sqrt{3}

x=3;

x= 2(3)=6

y=(3)=3

5 0
3 years ago
Read 2 more answers
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