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fomenos
3 years ago
15

Ezra counts the number of passengers who are already on the bus when he gets on each morning. His data for the last 15 days are

shown below. What is the interquartile range of the data?

Mathematics
1 answer:
Rom4ik [11]3 years ago
5 0

Answer:

6

Step-by-step explanation:

The data is

8,9,9,10,12,12,13,14,15,15,15,16,18,19,20

There are 15 data points

The median is the 15/2 = 7.5  rounding to 8

The 8th data point

8,9,9,10,12,12,13,    14,     15,15,15,16,18,19,20

Take the 7 points on the left and divide  in half

Take the 7 points on the right and divide  in half

8,9,9,   10   ,12,12,13,    14,     15,15,15,   16,    18,19,20

The interquartile range is the middle of the upper half of the data minus the middle of the lower half of the data

16 - 10 = 6

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Anybody want to help with math? Pls hurry, I’ll give brainiest and everything.
Vsevolod [243]

Answer:

B

Step-by-step explanation:

You are going to add 9 to 27 because you are counting by nines on the bottom.

3 0
2 years ago
A photography studio charges a sitting fee of $45 plus $2.50 per photograph. Another photography studio has no sitting fee but c
Sveta_85 [38]
The answer would be 12
5 1
3 years ago
Read 2 more answers
ASAP HELPPP NO LINKS! IF THIS IS A FALSE RESPONSE I AM REPORTING
djverab [1.8K]

Answer:

37.699 cubic inches of water

Step-by-step explanation:

Volume of a cone is V= 1/3 pi r^2 h

We are given that the height is 5 in and the radius is 2 in.

Plug that into the formula: V= 1/3 pi 2^2 9

1/3 x 4 x 9 = 12

Now we are left with 12 pi.

Use a calculator and multiply 12 by pi to get:

37.699

3 0
2 years ago
Write 2 fractions equivalent to 7/12
NeTakaya

Answer:

14/24 And 21/36

Step-by-step explanation:

Just multiply the fractions by any number. In this case 2 and 3.

4 0
2 years ago
Davis is buying a new car for $21,349.00.He plans to make a down payment of $3,000.00.If he's to make monthly payments of $352 f
nekit [7.7K]
He actually borrowed P=21349-3000=18349 (present value)
Assume the monthly interest is i.
then future value due to loan:
F1=P(1+i)^n=18349(1+i)^(5*12)=18349(1+i)^60
future value from monthly payment of A=352
F2=A((1+i)^n-1)/i=352((1+i)^60-1)/i
Since F1=F2 for the same loan, we have
18349(1+i)^60=352((1+i)^60-1)/i
Simplify notation by defining R=1+i, then
18349(R^60)-352(R^60-1)/(R-1)=0
Simplify further by multiplication by (R-1)
f(R)=18349*R^60*(R-1)-352(R^60-1)=0
Solve for R by trial and error, or by iteration to get R=1.004732
The APR is therefore
12*(1.004732-1)=0.056784, or 5.678% approx.




8 0
2 years ago
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