answer.
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
Karolina [17]
2 years ago
13

In an experimental study, a lab wanted to divide volunteers into two

Mathematics
1 answer:
fredd [130]2 years ago
3 0

Step-by-step explanation:

Assigning the participants based on who shows up first would introduce bias.  Those who arrive first may be more likely to already be punctual.  Giving or not giving them the app may make it seem ineffective when it isn't.

You might be interested in
It is said that a student’s college GPA (grade point index) can be predicted by his/her HOCS (higher- order cognitive skills) su
cricket20 [7]

Answer:

apart from using the hoc to predict the college students gpa, some other variables can be used

1. the students intelligent quotient

2. ability to remember

3. study time

4. gym practice

Step-by-step explanation:

<u>1. the students intelligent quotient</u>

<u>gpa</u><u> </u>has a positive relationship with iq. they are both directly related. The more the iq of a a student, the greater is his ability to understand and have a good gpa. the slope will therefore be positive and be in an upward direction.

2. <u>ability to remember</u>

the gpa of students who have a good ability to remember but do not have a good grasp of the subject may not be high. the slope would be in a slightly upward direction

3. <u>study time</u>

gpa and practice have a positive relationship. the more a student studies, the more likelihood exists of having a better gpa. the slope would be upward bound.

4. <u>gym</u><u> </u><u>practice</u>

gpa and gym practice are not related so the slope would be in a downward direction.

when interpreting the direction of relationship after carrying out such an analysis, it is useful to watch out for the accompanying signs of the variables. if the sign of the beta coefficient is positive then a positive relationship with the dependent variable exists.

6 0
2 years ago
If m(x) = x+5/x-1, and n(x) = x-3, which function has the same domain as m of n of x?
mamaluj [8]
Is that the exact question? because the last part doesn't really make sense to me

<span />
4 0
2 years ago
Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by 12 each week for a number of
Gre4nikov [31]

Answer:

what the answer

Step-by-step explanation:

6 0
2 years ago
A mail clerk found that the total weight of 155 packages was 815 pounds. if each of the packages weighed either 3 pounds or 8 po
8090 [49]
For this on you need to set up two equations
x + y = 155 total number of packages
3x+8y=815 total weight
Then multiply both sides of the first equation by 3: 3x +3y = 465
Then combine the two equations by subtracting the first one from the second one which gets you 5y=350 so y = 70 so we have 70 packages weighting 8 pounds. 
3 0
2 years ago
Read 2 more answers
Eight children sit together at story time. Seven children sit in a circle and one child sits in the middle to tell the story. In
coldgirl [10]

Answer:

4

Step-by-step explanation:

4ways

circle with centre

spare

3 0
2 years ago
Other questions:
  • 50% of all the cakes Lucy bakes that week were party cakes 1-5 fruit cakes and remainder were sponge cakes what percentage of ca
    10·1 answer
  • the speed of two insects equal the same speed when rounded to the nearest whole number; dragonfly:6.974 ;horsefly:3.934 ;bumbleb
    5·2 answers
  • Joey is buying plants for his garden. He wants to have at least twice as many flowering plants as nonflowering plants and a mini
    5·2 answers
  • A company logo is made up of a square and three identical triangles. What is the area of the logo? Enter your answer in the box.
    13·2 answers
  • Mark and Sofia walk together down a long, straight road. They walk without stopping for 4 miles. At this point Sofia says their
    6·1 answer
  • Melissa's boyfriend gave her a 2-pound heart-shaped box of chocolates. The box had 68 pieces of chocolate. What was the average
    12·1 answer
  • Daniel and his children went into a grocery store and he bought $10.15 worth of apples and bananas. Each apple costs $1.75 and e
    6·1 answer
  • A birdbath contains 1\2 liters of water. A rainy day adds a 215 milliliters, more to the birdbath. How many total milliliters of
    5·2 answers
  • Luke called a repairman to fix the furnace at his cabin. The repairman charged $35 per hour plus a fee of $25 for the service ca
    6·1 answer
  • Mrs. Olga’s $250 investment earns 19% interest compounded annually. What will her balance be after 3 years?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!