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UNO [17]
3 years ago
14

A population of values his normal distribution with men equal to 27.6 and standard deviation equal 39.4 do you intend to draw a

random sample of size N equal 173 what is the mean of the distribution of sample means
Mathematics
1 answer:
Alecsey [184]3 years ago
6 0

Answer:

The mean of the distribution of sample means is 27.6        

Step-by-step explanation:

We are given the following in the question:

Mean, μ = 27.6

Standard Deviation, σ = 39.4

We are given that the population is a bell shaped distribution that is a normal distribution.

Sample size, n = 173.

We have to find the mean of the distribution of sample means.

Central Limit theorem:

  • It states that the distribution of the sample means approximate the normal distribution as the sample size increases.
  • The mean of all samples from the same population will be approximately equal to the mean of the population.

Thus, we can write:

\mu_{\bar{x}} = \mu = 27.6

Thus, the mean of the distribution of sample means is 27.6

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Answer:

1) Bigger sector = 168.8pi

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Step-by-step explanation:

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                          = 168.75pi

1) Smaller sector = \frac{360-270}{360}×pi×15×15

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2) Bigger sector =  \frac{270}{360}×3.14×15×15

                           = 529.875

2) Smaller sector = \frac{360-270}{360}×3.14×15×15

                             = \frac{90}{360}×3.14×15×15

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