1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IceJOKER [234]
2 years ago
6

Researchers are investigating the effect of ph level in water on the breeding habits of the moon jellyfish. As part of a laborat

ory experiment, they will randomly assign one of three treatments, low ph , medium ph , or high ph , to the water in the tanks that hold the jellyfish.
SAT
1 answer:
storchak [24]2 years ago
5 0

In this experiment randomization tends to minimize the effects of uncontrolled variables, such as water temperature, so that such factors are not confounded with the treatment effects.

In an experiment, variables are carefully controlled in order to ensure the reliability of the results. Usually, treatments are assigned randomly to experimental units. Randomization refers to the assignment of experimental units to groups by chance.

Randomization is important in this experiment because it  tends to minimize the effects of uncontrolled variables, such as water temperature, so that such factors are not confounded with the treatment effects.

Missing parts;

Which of the following is the best reason for the random assignment of a treatment level to an experimental unit?

A. Randomization tends to minimize the effects of uncontrolled variables, such as water temperature, so that such factors are not confounded with the treatment effects.

B. Randomization will make up for improper experimental design, data collection, and analysis.

C. Randomization makes the analysis easier since the data can be entered into the computer in any order.

D. Randomization is required by statistical consultants before they will analyze the experiment.

E. Randomization means that the experiment would not need to be replicated

Learn more: brainly.com/question/14281129

You might be interested in
Why were factories more profitable than the cottage industry approach to textile production?.
mestny [16]

Answer:

Homemade items took longer to create and were not always equal in quality.

Explanation:

took the test

5 0
2 years ago
Hola busco amigos hombrees
m_a_m_a [10]
Hi I’m looking for guy friends
4 0
2 years ago
If countries A and B produce only either rubber bands or paper clips, their maximum outputs are shown in the accompanying produc
katovenus [111]

In Country A, the opportunity cost of one paper clip is 1/2. Option C

<h3>What is opportunity cost?</h3>

The opportunity cost refers to the alternative forgone in production. It means that it is the option that is chosen in the midst of other possibilities.

We can see from the table that in Country A, the opportunity cost of one paper clip is 1/2.

Learn more about opportunity cost: brainly.com/question/13036997

#SPJ1

Missing parts

If countries A and B produce only either rubber bands or paper clips, their maximum outputs are shown in the accompanying production possibilities schedules.

In country A the opportunity cost of 1 paper clip is

A.2 rubber bands.

B.1 rubber band

C.1/2 rubber band.

D.1/4 rubber band.

8 0
2 years ago
Which phrases in the passage provide clues that trifling means "silliness" or "insignificance"? Check all that apply. "a toy" "i
Dennis_Churaev [7]

Answer:

in blood

Explanation:

i don't know but just trying

7 0
2 years ago
Read 2 more answers
Pls help major test so no guessing☺️☺️
aleksklad [387]

Answer:

3 1/4

Explanation:

closer to the 3 equaling a 1/4

6 0
2 years ago
Read 2 more answers
Other questions:
  • Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. Ba
    10·1 answer
  • the graph of a line in the xy-plane slope 1/3 and contains the point (9,1). the graph of a second line passes through the points
    15·1 answer
  • Which of the following describes a difference between electromagnetic waves and mechanical waves?
    15·2 answers
  • Before Mount Everest was discovered, what was the highest mountain in the world?
    9·2 answers
  • *THIS IS THE ANSWER*
    12·1 answer
  • Please help me out with these two question, it would really help, it's my science benchmark! thank you!
    14·1 answer
  • If mc004-1. Jpg is the inverse of mc004-2. Jpg and f (x) = 4 x + 12, what is mc004-4. Jpg?.
    14·1 answer
  • A table for a monthly bank reconciliation dated september 30 is given below. For each item 1 through 12, indicate whether the it
    7·1 answer
  • Is this statement true or false? the 54th massachusetts regiment did not change northern attitudes about blacks' ability to figh
    7·1 answer
  • Which electron shell in an atom of calcium in the ground state
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!