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
alekssr [168]
3 years ago
6

A teacher interested in determining the effect of a new computer program on learning to read conducted a study. One hundred stud

ents were randomly assigned to one of two groups. The first group used the computer program while the second group did not. Both groups were tested to determine how much their reading levels improved. The results for the two groups were compared. What kind of study is this?
1.This is an experiment because a treatment was applied to a group.
2.This is an experiment because students were able to choose which group to join.
3.This is a survey because students were randomly assigned to groups.
4.This is a survey because a treatment was applied to both groups
Mathematics
1 answer:
slava [35]3 years ago
6 1

Answer:

c

Step-by-step explanation:

You might be interested in
If a sample mean is 96, which of the following is most likely the range of possible values that best describes an estimate for t
Helen [10]

Answer:

80,112

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Find the value of x.
Wewaii [24]

Answer:

prob 27

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The Aquarium charges $16.00 for admission and $2.50 for each ride ticket. Mountain Rides charges $25.00 for admission and $0.25
Darina [25.2K]

Answer:

B

Step-by-step explanation:

Because 16 + 2.50 is less than 25 + 0.25x

7 0
2 years ago
Pampered Pooch charges $5 for one hour of Doggy Daycare $10 for two hours and fifteen dollars for 3 hours what is the rate chang
DochEvi [55]

Answer:

$5 difference in rate at each step or change in hours.

Step-by-step explanation:

4 0
3 years ago
What is the inverse of y = 3* ?
grin007 [14]
It doesn’t have an inverse because it doesn’t pass the horizontal line test
8 0
2 years ago
Other questions:
  • Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. Find the marginal cost when 30 radios are produ
    10·1 answer
  • A high school coach wants to buy new athletic shorts for the 15 members of the basketball team. The coach must spend less than $
    7·2 answers
  • I would like an answer please, thanks.
    15·1 answer
  • Micheal and Susan have a combined age of 17 years. Micheal is 5 years older than Susan
    11·2 answers
  • What is the value of this expression 6 7/8+ 4 1/5+ 8 1/2
    14·1 answer
  • What is the solution for the equation 8x − 12 = 4x? x = ___. (Input whole number only).
    12·1 answer
  • Rewrite the equation by completing the square.<br> x^2 - 4x + 3 = 0
    8·2 answers
  • If 2 cups equal a parent and two pence equal a quart and 4 quarts equal a gallon how many cups are there in 4 gallons?
    9·1 answer
  • Please helppp , 20 points for this question
    12·1 answer
  • One factor of the polynomial 3x3 + 20x2 - 21x + 88 is (x + 8). what is the other factor of the polynomial? (note: use long divis
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!