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Irina-Kira [14]
3 years ago
5

Another one! lol there is a lot of these

Mathematics
2 answers:
kakasveta [241]3 years ago
6 0
Add the numbers in the graph and then divide by how many numbers there are.
Lostsunrise [7]3 years ago
4 0
Hello!

To find the mean you add all the numbers and divide it by the amount of numbers you have.

4 + 4 + 4 + 5 + 5 + 6 + 6 + 6 + 6 + 9 = 55

Divide by the amount of numbers you have

55 / 10 = 5.5

The answer is 5.5

Hope this helps!
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Which of the following statements about the sampling distribution of the sample mean, x-bar, is not true? A. The sampling distri
Elenna [48]

Answer: E. All of the above statements are true

Step-by-step explanation:

The mean of sampling distribution of the mean is simply the population mean from which scores were being sampled. This implies that when population has a mean μ, it follows that mean of sampling distribution of mean will also be μ.

It should also be noted that the distribution's shape is symmetric and normal and there are no outliers from its overall pattern.

The statements about the sampling distribution of the sample mean, x-bar that are true include:

• The sampling distribution is normal regardless of the shape of the population distribution, as long as the sample size, n, is large enough.

• The sampling distribution is normal regardless of the sample size, as long as the population distribution is normal. • The sampling distribution's mean is the same as the population mean.

• The sampling distribution's standard deviation is smaller than the population standard deviation.

Therefore, option E is the correct answer as all the options are true.

7 0
3 years ago
Mandy is thinking of a prime number that is greater than 41 and less than 47. What is many number
Sunny_sXe [5.5K]
43 is the answer hope I help
5 0
3 years ago
Read 2 more answers
What is the graph of the equation y-3=2(x+3)
arsen [322]

Answer:

y−3=2(x+3)

y=2x+9

that's the answer hope this helps u

5 0
2 years ago
I need help please and thank you
s344n2d4d5 [400]

Answer:

20 degrees.

Step-by-step explanation:

The 3 angles of a triangle add up to 180 degrees.

Therefore the third angle in this triangle

= 180 - (120 + 40)

= 180 - 160

= 20 degrees.

4 0
2 years ago
Someone please help me
Lilit [14]
<h3>Answer:</h3>
  1. C. (9x -1)(x +4) = 9x² +35x -4
  2. B. 480
  3. A. P(t) = 4(1.019)^t

Step-by-step explanation:

1. See the attachment for the filled-in diagram. Adding the contents of the figure gives the sum at the bottom, matching selection C.

2. If we let "d" represent the length of the second volyage, then the total length of the two voyages is ...

... (d+43) + d = 1003

... 2d = 960 . . . . . . . subtract 43

... d = 480 . . . . . . . . divide by 2

The second voyage lasted 480 days.

3. 1.9% - 1.9/100 = 0.019. Adding this fraction to the original means the original is multiplied by 1 +0.019 = 1.019. Doing this multiplication each year for t years means the multiplier is (1.019)^t.

Since the starting value (in 1975) is 4 (billion), the population t years after that is ...

... P(t) = 4(1.019)^t

7 0
3 years ago
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