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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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a clothing store pays $8 for a coin purse and sells them at 40% markup rate based on cost. what is the selling price of the coin
Marta_Voda [28]
$8(100+40)/100

$8(140/100)

$8(1.4)

$11.20
4 0
3 years ago
Read 2 more answers
An exam is made of two papers that score differently.
Alborosie

Answer:

Step-by-step explanation:

61%

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2 years ago
Which values of x are solutions to the inequality?
Blababa [14]

Answer:

B. x=-210

D. x=-201

Step-by-step explanation:

Given:

The inequality for 'x' is given as:

x

The above inequality tells us that, the value of the variable 'x' is less than -200.

-200 is a negative number. So, for a negative number, the larger the value of the number, the smaller the number is.

Example: -2 is less than -1 although 2 has a greater magnitude than 1.

Therefore, the numbers that are less than -200 are -210 and -201.

So, the values of 'x' that satisfy the given inequality are -201 and -210

Thus, the correct options are (B) and (D).

8 0
3 years ago
Marcus earns money from feeding cats and answering emails. He earns $7 a week for each cat he feeds and $0.20 for each email he
Dmitry_Shevchenko [17]
A.
7 times number of cats=pay
if pay=49 then
7 times number of cats=49
divide both sides by 7
number of cats=7

da equaton can be
c=number of cats
7c=49

he fed 7 cats


B.

7c=49
divide both sides by 7
equality property of division
(7c)/7=49/7
math fact
(7/7)c=7
1c=7
identity property of division
c=7
identity property of multiplication
7 cats

C. 7 cats
4 0
3 years ago
5x6-1+3=28 brackets or braces should be added
Artyom0805 [142]
5 · (6 - 1) + 3
= 5·5 + 3
= 25 + 3
= 28
7 0
3 years ago
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