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soldier1979 [14.2K]

2 years ago

13

A variable has a mean of and a standard deviation of . observations of this variable have a mean of and a sample standard deviat

ion of . Determine the observed value of the

1 answer:

RideAnS [48]2 years ago

8 0

Answer:

the mean is 26

Step-by-step explanation:

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3 years ago

64,000 in<br> a fraction

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What type of graph displays information by using a column vertically or horizontally? A) Pictograph B) Scatterplot C) Bar Graph

suter [353]

I think it's the bar graph.

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Photon

4 0

3 years ago

You are researching two glaciers.the first glacier flows at a rate of 75 meters in 3 days.the second glacier flows at a rate of

podryga [215]

Answer:

$1.3\ days$

Step-by-step explanation:

step 1

Find the units rate of the first glacier

$\frac{75}{3}=25\frac{meters}{day}$

using proportion

$\frac{25}{1}\frac{meters}{day}=\frac{200}{x}\frac{meters}{days}\\ \\x=200/25\\ \\x=8\ days$

step 2

Find the units rate of the second glacier

$\frac{107.5}{5}=21.5\frac{meters}{day}$

using proportion

$\frac{21.5}{1}\frac{meters}{day}=\frac{200}{x}\frac{meters}{days}\\ \\x=200/21.5\\ \\x=9.3\ days$

step 3

Find the difference

$9.3\ days-8\ days=1.3\ days$

4 0

2 years ago

What is the difference of 2/4 and 1/3?

ss7ja [257]

Answer:

2/4-1/3= 6/12-4/12

=2/12

=1/6

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2 years ago

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