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Phantasy [73]
3 years ago
8

Which of the following statements about the sampling distribution of the sample mean, x-bar, is not true? A. The sampling distri

bution is normal regardless of the shape of the population distribution, as long as the sample size, n, is large enough. B. The sampling distribution is normal regardless of the sample size, as long as the population distribution is normal. C. The sampling distribution's mean is the same as the population mean. D. The sampling distribution's standard deviation is smaller than the population standard deviation. E. All of the above statements are tru
Mathematics
1 answer:
Elenna [48]3 years ago
7 0

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.

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The sum of two numbers is 19 and there difference is 7 what are the two numbers
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Answer:

The two numbers are 13 and 6.

Step-by-step explanation:

x+y=19

x-y=7

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y=19-13

y=6

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My homework says name a 2 digit odd number that is prime. name a 2 digit odd number that is composite.
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Find the slope of the line that passes through the points (0,-4) and (10,3)
expeople1 [14]

Answer:

\displaystyle m = \frac{7}{10}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Slope Formula: \displaystyle m = \frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (0, -4)

Point (10, 3)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                              \displaystyle m = \frac{3--4}{10-0}
  2. [Fraction] Subtract:                                                                                           \displaystyle m = \frac{7}{10}
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