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3 years ago

14

Can a scatter plot show a linear association but neither a positive nor a negative association?

2 answers:

vodomira [7]3 years ago

8 0

Yes, it's called no association.

I hope this helped! Please take the time to rate, pick the Brainliest answer (not necessarily mine!), and thank me if you feel I helped with this question! Thank you, it helps me a lot. :)

wolverine [178]3 years ago

8 0

Yes of course it can.<span />

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Arsenic is toxic to humans. The greatest amount of arsenic that is allowed in drinking water is 10 parts per billion. A test sho

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3 years ago

Answer quickly please

olga nikolaevna [1]

Answer:

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2 years ago

Read 2 more answers

What is the value of p?

Misha Larkins [42]

Answer:

D. 43°

Step-by-step explanation:

interior angle to 90°=90°

interior angle to 133°=47°

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please mark as brainliest

7 0

3 years ago

what is the probability of seeing a sample mean for 21 observations less or equal to the sample mean that we observed

kramer

Answer:

$P(x \le 21) = 0.69146$

Step-by-step explanation:

The missing parameters are:

$n = 64$ --- population

$\mu = 20$ --- population mean

$\sigma = 16$ -- population standard deviation

Required

$P(x \le 21)$

First, calculate the sample standard deviation

$\sigma_x = \frac{\sigma}{\sqrt n}$

$\sigma_x = \frac{16}{\sqrt {64}}$

$\sigma_x = \frac{16}{8}$

$\sigma_x = 2$

Next, calculate the sample mean $\bar_x$

$\bar x = \mu$

So:

$\bar x = 20$

So, we have:

$\sigma_x = 2$

$\bar x = 20$

$x = 21$

Calculate the z score

$x = \frac{x - \mu}{\sigma}$

$x = \frac{21 - 20}{2}$

$x = \frac{1}{2}$

$x = 0.50$

So, we have:

$P(x \le 21) = P(z \le 0.50)$

From the z table

$P(z \le 0.50) = 0.69146$

So:

$P(x \le 21) = 0.69146$

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2 years ago

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MaRussiya [10]

Answer:

5 out of 100 adults so not very likely

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3 years ago