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ikadub [295]
3 years ago
15

Suggest a fundamentally and conceptually different way that is always under the control of the researcher of making the margin o

f error smaller.
Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0

Step-by-step explanation:

First, we may wonder, what does the term <em>margin of error</em> mean? Put simply, the margin of error is a measure of the degree to which research results do not reflect the views of the total studied population. In other words, it tells readers how much confidence they should have in the results presented.

It has often been suggested that a fundamentally and conceptually effective way that is always under the control of the researcher of making the margin of error smaller is to<em> increase the sample size</em> of the research. This basically involves collecting more sample data which thus leads to a closer estimate of the view of the entire population.

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In the diagram below, is circumscribed about quadrilateral ABCD . What is the value of ?
Olin [163]

Answer:

C

Step-by-step explanation:

There's a property of cyclis quadrilaterals that say that opposite sides will add up to 180

so we have

5x+75=180\\\\5x=180-75\\\\5x=105\\\\x=21

which is option c

5 0
3 years ago
Some native american tribe made jewelry with dentalia shells.each denalia shell is 2 inches long how much longer would a necklac
solong [7]

Answer: 10 inches

Step-by-step explanation:

We know that each single Denalia shell is 2 inches. So let's calculate how many inches a 25 shell necklace would be

25(number of shells)×2(inches per 1 shell) = 50in

Next let's find the second necklace with 20 shells

20(number of shells) × 2(inches per 1 shell) = 40in

Finally we take the difference between the two

50in - 40in = 10 inches

Thus, the difference between a 25 shell necklace and a 20 shell necklace is 10 inches.

7 0
4 years ago
Triangle N L M has centroid S. Lines are drawn from each point to the midpoint of the opposite side to form line segments N Q, L
Afina-wow [57]

Answer:

11

Step-by-step explanation:

7 0
3 years ago
A soccer field is a rectangle 90 meters wide and 120 meters long. The coach asks players to run from one corner to the other cor
Scorpion4ik [409]
Take the width of the field (90 meters) and square it. Then take the length of the field (120 meters) and square it. The you add the two squares together and then find the square root of your answer. So basically 90^2 + 120^2 = 22500. then find the square root of 22500 which is 150 meters. 150 meters is your answer.
6 0
3 years ago
Jeremy is writing down a sequence of integers. He writes 1 as his first number. Then, he
Pachacha [2.7K]

Answer:

<em>4 is the unit's digit of the 20th number.</em>

Step-by-step explanation:

Let us try to find out a pattern for the unit's digit of the terms.

1st term is 1, so unit's digit of 1st term is 1.

2nd term 1^{2} + 3 = 4 so unit's digit is 4.

3rd term 4^{2} + 3 = 19 so unit's digit is 9.

4th term 19^{2} + 3 = 364 so unit's digit is 4.

5th term's unit digit: Square of unit's digit of 4th term + 3

4^{2} + 3 = 19 i.e. 9.

:

We can see that the pattern is

3rd, 5th, 7th ...... terms have 9 as the unit's digit.

2nd, 4th, 6th.... terms have 4 as the unit's digit.

So, 20th term will have 4 as the unit's digit.

4 0
3 years ago
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