The stem and lead plot shows data from a set of size 80 what are the median and mode

Mathematics

2 answers:

Tanya [424]2 years ago

8 0

Ummmmmmmmmmmmmmmmmmmm

atroni [7]2 years ago

3 0

Are there any more numbers to this problem ? a picture of the data

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tensa zangetsu [6.8K]

11.5 beause you take the average of 12 and 11

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Step-by-step explanation:

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Y is directly proportional to square root of x<br> If y=56 when x=49 find,<br> y when x=81

STALIN [3.7K]

$\qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{\textit{constant of variation}}{y=\stackrel{\downarrow }{k}x~\hfill } \\\\ \textit{\underline{x} varies directly with }\underline{z^5}\qquad \qquad \stackrel{\textit{constant of variation}}{x=\stackrel{\downarrow }{k}z^5~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}$

$\stackrel{\begin{array}{llll} \textit{"y" directly}\\ \textit{proportional to }\sqrt{x} \end{array}}{y = k\sqrt{x}}\qquad \textit{we know that} \begin{cases} y = 56\\ x = 49 \end{cases}\implies 56=k\sqrt{49} \\\\\\ 56=7k\implies \cfrac{56}{7}=k\implies 8=k~\hfill \boxed{y=8\sqrt{x}} \\\\\\ \textit{when x = 81, what is "y"?}\hfill y=8\sqrt{81}\implies y=8(9)\implies y=72$

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1 year ago

Which of the following sample types should you always regard as unreliable? A) voluntary response samples 18) 9 simple random sa

Inessa [10]

Answer:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

Step-by-step explanation:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

It can be considered unreliable because being voluntary, the answers will give a biased result and the analysis will not be valid.

The rest of the options, if the necessary collections are taken, are samples that can be considered reliable.

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2 years ago

If seven x multiple by 3 is 63, what is x?

mezya [45]

Answer:

63 divided by 3 is 21 so x=21

Step-by-step explanation:

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2 years ago

Read 2 more answers