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iris [78.8K]
3 years ago
15

A sewing instructor asked his students how many spools of knitting yarn they carried in their sewing kits. The table shows the d

ata he recorded.

Mathematics
1 answer:
const2013 [10]3 years ago
4 0
I think the answer is mean. (The average) it could also be “mean average deviation” but I’m not sure what that one means...
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Can you please help me out this is DUE IN 5 MINUTES please.
Rina8888 [55]

Answer

You flip it, so

Step-by-step explanation:

5 0
3 years ago
Let [n] = 1 if n is odd and 0 if n is even, for all positive integer n. if [n] * [n+8] = 0, then what is one possible value of n
astra-53 [7]
[n][n+8]=0

if either or both of [n] and [n+8] are 0, i.e. if one or both of n and n+8 are even. But both will be even if n is even, and odd otherwise, so any even n will be a solution, e.g. n=2.
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Find the measure of the indicated angle
Paul [167]
Add them together and find x :)
6 0
2 years ago
Suppose a simple random sample of size n is drawn from a large population with mean mu and standard deviation sigma. The samplin
Sidana [21]

Answer:

X \sim N(\mu,\sigma)  

Where \mu the mean and \sigma  the deviation

Since the distribution for X is normal then we can conclude that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

\mu_{\bar X} = \mu

\sigma_{\bar X}= \frac{\sigma}{\sqrt{n}}

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:

X \sim N(\mu,\sigma)  

Where \mu the mean and \sigma  the deviation

Since the distribution for X is normal then we can conclude that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

\mu_{\bar X} = \mu

\sigma_{\bar X}= \frac{\sigma}{\sqrt{n}}

6 0
3 years ago
Read 2 more answers
ANSWER PLZ QUICK AND FAST WHAT THE ANSWER QUICK
pav-90 [236]
The answer is B
Because when x=0, y=-4 and when y=0, x=-1. Hope I was able to help
5 0
3 years ago
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