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
vodka [1.7K]
3 years ago
13

Students in a large statistics class were randomly divided into two groups. The first group took the midterm exam with soft musi

c playing in the background, while the second group took the exam with no music playing. The scores of the two groups on the exam were compared. This experiment is not blind because:
Mathematics
1 answer:
Stels [109]3 years ago
3 0

Answer:

Both groups had prepared for the exam. Therefore music would not really affect performance. Reassurance is given in every exam so distractions are not blind generally and most certainly not in this context where the scores were compared afterwards.

Step-by-step explanation:

You might be interested in
Solve for v.<br> 19v – 18 = 16 + 17v
GarryVolchara [31]

Answer:

v= 17

Step-by-step explanation:

Start with the given equation.

19v – 18 = 16 + 17v

Move -18 to the other side, and swap it's sign.

19v = 16 + 18 + 17v

Move 17v to the other side and swap it's sign.

19v - 17v = 16 + 18

Combine like terms.

2v = 34

Divide by 2v.

v = 17

8 0
3 years ago
Read 2 more answers
Convert 0.14 kilograms to grams
atroni [7]
Hey there, 0.14 kilograms is 140 grams, All I did was 0.14*1000 and that gave me 140
3 0
3 years ago
Read 2 more answers
A rectangular prism has a length of 3 feet, a height of 7 feet, and a width of 14 feet.
MA_775_DIABLO [31]

Answer:

294 cubic ft.

Step-by-step explanation:

All you do is just multiply the length, width, and height!

3 × 14 × 7 = 294

hopefully this helped :3

5 0
3 years ago
Read 2 more answers
7f+g=5 solve for g? It's very difficult
Vika [28.1K]

In this case 'g' would be 5 - 7f

8 0
3 years ago
Read 2 more answers
An investment website can tell what devices are used to access their site. The site managers wonder whether they should enhance
lbvjy [14]

Answer: a)  Unimodal and symmetric

b) 0.26

c) 0.038

Step-by-step explanation:

Given: Sample size of investors (n)= 131

True proportion of smartphone users(p)  =26%

a) Since sampling distribution for the sample proportion is approximately normal when n is larger.

Normal distribution is Unimodal and symmetric.

So correct option : Unimodal and symmetric

b)  mean of this sampling​ distribution = p = 0.26

c)  standard deviation of the sampling​distribution = \sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.26\times (1-0.26)}{131}}=\sqrt{0.00146870229008}

=0.0383236518364\approx0.038

6 0
3 years ago
Other questions:
  • What number is between 2 and 7 is less than 100 but larger than 50 the product of three different prime numbers?
    10·2 answers
  • Mitchell left Detroit on the interstate driving south towards Orlando at a speed of 60 miles per hour. Clark left Detroit 1 hour
    15·1 answer
  • How do I find the maximum profit of -30x2+660x-1500
    12·2 answers
  • There are 52 runners in a race. How many ways can the runners finish​ first, second, and​ third?
    13·1 answer
  • One of the factors of x² -<br> x – 6 is How do i work this out on paper?
    7·2 answers
  • The revenue from selling x shirts is r(x) = 12x.
    8·2 answers
  • How do you turn 245/360 into a decimal
    14·1 answer
  • -x+y=1<br> -6x+3y=-12<br> Solve
    8·1 answer
  • &lt;3 Help! A teacher buys 8 packs of orange erasers
    12·2 answers
  • The causes of land pollutions are​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!