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vlada-n [284]
3 years ago
5

Which of the following errors can be reduced only by increasing the sample size? a. systematic error b. random sampling error c.

response bias d. frame error e. selection error
Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

The correct answer is

b. random sampling error

Step-by-step explanation:

Sampling is a statistical method of selecting a predefined number of observations  from a larger population to determine the characteristics of and to represent the larger population.

A sampling error is a type of error in statistics that is as  a result of a difference between the calculated statistical values of a selected sample and that of the entire population. A sample of a population with an error does not properly represent the statistics of the population.

By the definition of sampling in statistics, sampling error can be eliminated by Increasing the size of the sample taken from the larger population, analogous central limit theorem.

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Given: — <br> Xw Is an altitude <br> M Prove: x=12
blsea [12.9K]

Answer:

See explanation

Step-by-step explanation:

<u>Given:</u> XW is an altitude

m∠XWY=8x-6

<u>Prove:</u> x=2

<u>Solution:</u>

      Statement                                 Reason

1. XW is an altitude                         Given

2. m∠XWY = 90°                            Definition of altitude

3. m∠XWY = 8x - 6                         Given

4. 8x - 6 = 90                                  Substitution property

5. 8x - 6 + 6 = 90 + 6                     Addition property of equality

   8x = 90

6. x = 12                                          Division property of equality

4 0
3 years ago
20/12=15/x find x plz help
Ganezh [65]

Answer:

x = 9

Step-by-step explanation:

To find x, we first have to solve the equation given in the question:

\frac{20}{12} = \frac{15}{x}

20x = 15 \cdot 12

x = \frac{180}{20}

x = 9

Therefore, x = 9.

Hope this helped!

3 0
3 years ago
Read 2 more answers
4,7,3,0,5,1 in the smallest number with 5 in the thousands place and an odd number
igor_vitrenko [27]

Answer:

we list the number from smallest to large without for conditions like e.g 5 in hundred place and 7 in one place. therefore, 103547

8 0
2 years ago
Please help with this question!
Ipatiy [6.2K]
X=21.6 I think is the answer if I did my math wrong
6 0
4 years ago
Use the information to solve the triangle. Round your answers to two decimal places. Hint: draw a sketch first to determine if y
Anestetic [448]

Answer:

A = 43°

b = 25.8 (3 sig. fig.)

c = 14.5 (3 sig. fig.)

Step-by-step explanation:

Using angle sum of triangle, we get A = 180 - 104 - 33 = 43°

Using sin law,

b/sin104 = 18.1/sin43

b = 25.8 (3 sig. fig.)

c/sin33 = 18.1/sin43

c = 14.5 (3 sig. fig.)

7 0
3 years ago
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