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EleoNora [17]
3 years ago
8

Tessa conducts an experiment and obtains results that are statistically significant. What is meant by "statistically significant

"? O It means that Tessa used a large sample size. O It means that the results that Tessa obtained are too unusual to be explained by chance alone. It means that Tessa's experiment was not biased. O It means that the individuals in the experiment were randomly assigned to the treatment groups. earch 0 so DOLL​
Mathematics
1 answer:
Lesechka [4]3 years ago
6 0

9514 1404 393

Answer:

  (b)  It means that the results that Tessa obtained are too unusual to be explained by chance alone

Step-by-step explanation:

The test for statistical significance is a comparison of the result to the probability that it occurred by chance. The probability of a chance occurrence is usually set at 1% or 5%. The lower the percentage, the less likely a chance occurrence is, and the more difficult showing statistical significance becomes.

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Question in the image below:
horrorfan [7]

Answer:

x = 5/33 or 0.151515151

Step-by-step explanation:

7(-6x-2) = 8(3x-4)

step 1: simplify the equation.

-42x - 14 = 24x - 4

step 2: isolate the variable (using the balance method).

-42x - 14 + 14 = 24x - 4 + 14

-42x = 24x + 10

-42x - 24x = 24x - 24x + 10

-66x = 10

step 3: solve for x.

x = 10 ÷ -66

x = 5/33

4 0
2 years ago
prakriti needs $3500 for high study in america after see.if $1=105Nrp if bank charge 3% commission how much nepali rupee should
timofeeve [1]

Answer:

356475Nrp

Step-by-step explanation:

$1=105Nrp

$3500=105×3500Nrp

=367500Nrp

Now,

Bank charges 3% commission

therefore, 3% of 367500Nrp

=3/100×367500Nrp

=11025Nrp

Then,

Required money =367500Nrp-11025Nrp

=356475Nrp

3 0
2 years ago
Mr. pham wrote the equation below on the board.
valkas [14]

18 - 7x = -20.5

Subtract 18 from each side:

-7x = -38.5

Divide both sides by -7:

x = -38.5 / -7

x = -5.5 = 5 1/2

The answer is D.

7 0
3 years ago
Read 2 more answers
For which expression is the sum of the constants greater than the sum of the coefficients?
Svetach [21]

Answer:

8+3x^2+7x+4

Step-by-step explanation:

The first expression is

7+3x^2+7x+3

The sum of the constants is 7+3=10

The sum of the coefficients is 3+7=10

The second expression is;

7+4x^2+4x+1

The sum of the constants is 7+1=8

The sum of the coefficients is 4+4=8

The third expression is;

8+4x^2+8x+2

The sum of the constants is 8+2=10

The sum of the coefficients is 4+8=12

The fourth expression is;

8+3x^2+7x+4

The sum of the constants is 8+4=12

The sum of the coefficients is 3+7=10

Hence the correct choice is the expression in which the sum of the constants greater than the sum of the coefficients

3 0
3 years ago
Kelly made six batches of cookies and used 17 1/4 cups of sugar. She then make and extra batch and used 7/8 cup. How many cups o
maks197457 [2]

she has cancer, sorry but were gonna have to let kelly down

7 0
3 years ago
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