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Dennis_Churaev [7]
3 years ago
6

50 points if you can answer asap! :)

Mathematics
1 answer:
marissa [1.9K]3 years ago
5 0

ANSWER CHOICE C

We have been given two box plots representing attendance at a local movie theater and high school basketball games. WE are asked to choose the correct option about the measure the spread of the data represented by box plots.

Since we know that Standard deviation is not a good measure of spread in highly skewed data. IQR is better measure of spread for highly skewed data.

We can see that box plot representing attendance at movies is right skewed, therefore, mean will be greater than median and  SD will not be a good measure of spread.

Box plot representing basket-ball games attendance is left skewed left,therefore, mean will be less than median and SD will not be a good measure of spread.

Our both box plots are highly skewed, therefore, the IQR is the best measurement of spread for games and movies and option C is the correct choice.

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leonid [27]
So the ratio is at ¼ : 12, namely the drawing has ¼ inch to an actual 12 feet.

so, what would it be for an actual 15 feet on the drawing then?

\bf \begin{array}{ccll}
\stackrel{inches}{drawing}&\stackrel{feet}{actual}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
\frac{1}{4}&12\\\\
d&15
\end{array}\implies \cfrac{\quad \frac{1}{4}\quad }{d}=\cfrac{12}{15}\implies \cfrac{\quad \frac{1}{4}\quad }{\frac{d}{1}}=\cfrac{12}{15}
\\\\\\
\cfrac{1}{4}\cdot \cfrac{1}{d}=\cfrac{12}{15}\implies \cfrac{1}{4d}=\cfrac{12}{15}\implies 15=48d\implies \cfrac{15}{48}=d\implies \cfrac{5}{16}=d
6 0
3 years ago
To rent a certain meeting room, a college charges a reservation fee of 15 and an additional fee of 5 per hour. The chemistry clu
Igoryamba

Answer:

The possible numbers the chemistry club could rent the room is less than 6 hours(t<6)

Step-by-step explanation:

Reservation fee = 15

Additional fee of 5 per hour

If the chemistry club wants to spend less than 45 on renting the room, let the possible number of hours be t.

t = time

15 + 5t < 45

5t < 45 - 15

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4 years ago
Lines c and d are perpendicular. The slope of line c is −23. Which equation is true?
Trava [24]

Answer:

1/23

Step-by-step explanation:

The perpendicular slope will be the opposite reciprocal of the original slope so if slope of c is -23, slope of d is 1/23

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2 years ago
Find x when y = 5 in the literal equation 4x + 7y= 51.
Charra [1.4K]

Answer:

x=4

Step-by-step explanation:

4x + 7y= 51

We replace y by 5 and determine x.

4x+7×5=51

4x+35=51

4x=51-35

4x=16

x=4

7 0
3 years ago
Read 2 more answers
The table shows the values of a function f(x).
QveST [7]

Answer:

The average rate of change is =-4

Step-by-step explanation:

The average rate of change from x=a to x=b of f(x) is given by;

=\frac{f(b)-f(a)}{b-a}

We want to find the average rate of change of the function represented in the table  from x=-2 to x=2.

=\frac{f(2)-f(-2)}{2--2}

From the table f(-2)=25 and f(2)=9

The average rate of change from x=-2 to x=2 is

=\frac{9-25}{2--2}

=\frac{-16}{4}

=-4

3 0
3 years ago
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