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Otrada [13]
2 years ago
10

Determine the appropriate test to be used in the next statements.

Mathematics
1 answer:
fgiga [73]2 years ago
3 0

The statistical test that can be used for the given statements is; the goodness-of-fit test

<h3>How to determine the best statistical tests?</h3>

1) For the archeologist story, the goodness-of-fit test is the best and most relevant test that can be applied because the archaeologist wishes to determine if her prediction was correct by comparing the actual number of artefacts recovered in each grid section to the expected frequencies.

2)  The economist generates a list of expected stock market index points for the next two weeks, as well as the actual points at the end of each trading day. The economist then compares the actual and expected points to ensure that the model he constructed is accurate. As a result, economists can use the goodness-of-fit test in this study.

Read more about Statistical Tests at; brainly.com/question/15980493

#SPJ1

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A triangle has angle measures that are related as follows: -the largest angle is eight times the smallest angle -the middle angl
andriy [413]

Answer:

The angles are 15 degrees, 45 degrees and 120 degrees

Step-by-step explanation:

The triangle has three three sides and three angles. The sum of the angles in a triangle is 180 degrees

Let x = the size of the largest angle of the triangle

Let y = the size of the middle angle of the triangle

Let z = the size of the smallest angle of the triangle.

x + y + z = 180 - - - - -- - - - - - - 1

The size of the largest angle is eight times the size of the smallest angle.

This means

x = 8z

The size of the middle angle is triple the size of the smallest angle. This means

y = 3z

Put x = 8z and y = 3z in equation 1

8z + 3z + z= 180

12z = 180

z = 180/12 = 15

x = 8z = 8×15 = 120

y = 3z = 3 × 15 = 45

8 0
3 years ago
You are constructing a tangent line from a point outside a given circle to the circle. You have drawn the circle, a point outsid
hichkok12 [17]
Answer:
The midpoint of the segment
Step-by-step explanation:
You are constructing a tangent line from a point outside a given circle to the circle is to draw a circle and a point outside the circle. You have drawn the circle, a point outside the circle and connected the center of the circle to the point outside the circle. You found the midpoint of the segment. Next you must use your compass.
Next you must use your compass. After you set it, you should put the point at the midpoint of the segment.

Read more on Brainly.com - brainly.com/question/2827867#readmore
5 0
4 years ago
Read 2 more answers
POSSIBLE POINTS: 4 The length of a rectangle is 4 inches more than the width. The area of the rectangle is 45 in2 Find the lengt
EleoNora [17]

Answer:

x (x + 4) = 45

x^2 + 4x - 45 = 0

factor

(x + 9)(x - 5) = 0

x = -9 or 5

 

your length cannot be negative so x= 5 and x+4 =9

Step-by-step explanation:

Hope this answer is Wright

4 0
3 years ago
What is 3z+2+(-5z)+6
BartSMP [9]

Answer:

-2z+8

Step-by-step explanation:

3z+2+(-5z)+6

3z+2-5z+6

-2z+2+6

-2z+8

7 0
4 years ago
Read 2 more answers
Solve 2x+x-3 will mark brainliest
Alexus [3.1K]

Answer:

3x−3

Step-by-step explanation:

2x+x−3

=2x+x+−3

Combine Like Terms:

=2x+x+−3

=(2x+x)+(−3)

=3x+−3

3 0
3 years ago
Read 2 more answers
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