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siniylev [52]
3 years ago
11

Which of the following characteristics of experiments are not also characteristics of surveys?

Mathematics
2 answers:
kari74 [83]3 years ago
6 0

Answer: The correct answer is option E and option C

Step-by-step explanation: From the question, all the option are characteristics of an experimental study, while some are as well characteristics of a survey study. We now have to identify the options that are not characteristics of a survey study.

Survey study is an observational study that is carried out to discover the characteristics of a sample group under a specific criteria and to compare the characteristics of this sample groups.

Replication with other groups of subjects cannot improve the reliability of a survey study, because two different survey study using a different samples or a different location will not have the same characteristics, and the result gotten from each sample can only be used to define that sample or the location of that sample.

It is not a prerequisite that one or more treatment groups and a control group should be included in a survey study. Because a survey group can also observe samples in their natural cause, without applying any force or treatment to alter them.

Data are gathered during a survey because we record our results and observations. A survey research is all about gathering data from either a treatment group or non treatment group, to compare with another data, and knowing the relationship between the characteristics of the sample. The result of the samples of a survey study are compared and analysed using statistics which includes mean, mode, range, bar chart, graph, histograms, and many more.

Andrews [41]3 years ago
5 0

Answer:

a,b,c,e

Step-by-step explanation:

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Find the least common denominator (lcd) of 1/3 and 2/9 .
OLEGan [10]
The lowest common denominator of 1/3 and 2/9 = 9
8 0
3 years ago
What is an equation of the line that passes through the point (−1,6) and is parallel to the line 2x+y=9
Alex73 [517]

Answer:

2x + y = 4

Step-by-step explanation:

2x + y = 9 => y = -2x + 9

Parallel lines have the same slope so m = -2

Given (-1,6)

y = mx + b

6 = -2(-1) + b

6 = 2 + b

b = 4

so y = -2x + 4 or 2x + y = 4

5 0
2 years ago
Graph y = -3.2 + 9. Then identify the x-intercept.
Nataly [62]

Answer:

9

Step-by-step explanation:

if you mean -3.2x+9 then the answer is 9 because you plug in 0 into x and solve the equation, you get the x intercept

7 0
3 years ago
What is the answer 2(4y+1)=3y
SCORPION-xisa [38]
2(4y+1) = 3y. We need to solve for y.
First let's get ride of the parenthesis by developing 2(4y+1). This means to multiply 2 by 4y and 2 by 1, and add them.
2(4y+1) = 2*4y + 2*1 = 8y + 2
So 2(4y+1)=3y
8y+2 = 3y
Then you subtract 8y from each side to have the variables on a side and the numbers on the other:
3y - 8y = 8y + 2 - 8y
-5y = 2
Then you divide each side by -5 to get the variable y alone on a side and its value on the other:
(-5y)/-5 = 2/-5
y = -2/5

You can re-check your answer (very important):
2(4y + 1) = 2(4*-2/5 + 1) = -1.2
3y = 3 * -2/5 = -1.2
So 2(4y+1)=3y= -1.2
The answer has been approved.

Hope this Helps! :)
4 0
3 years ago
Help please will give brainliest
Ne4ueva [31]

Answer:

18.

a) 6k + 2y

b) 2x^2 + 2x

c) 16h

19.  4.5 cm

20.

a) x > 4.5

b) x >= 32

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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