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Mathematics 8 Online
OpenStudy (gabylovesyou):

This box and whisker plot shows the number of false alarms a county fire department received each month during a year. Which is the only station that went a month with no false alarms? A) Station 1 B) Station 2 C) Station 3 D) None of the stations went a month with no false alarms.

OpenStudy (gabylovesyou):

PLEASE HELP ME

OpenStudy (ash2326):

@gaby I'll help you but I need to know something. Can you tell me the range of all the three stations?

OpenStudy (gabylovesyou):

yes

OpenStudy (gabylovesyou):

give me a min

OpenStudy (ash2326):

Yeah take your time:D

OpenStudy (gabylovesyou):

The range of station 1 is 8

OpenStudy (gabylovesyou):

The range of station 2 is 11

OpenStudy (ash2326):

@Gabylovesyou See the minimum value is 12 and max is 20, so the range if from 12 to 20

OpenStudy (ash2326):

*is For station 1 Now you tell me the range of other two?

OpenStudy (gabylovesyou):

The range of station3 is 17

OpenStudy (ash2326):

@Gabylovesyou do you know how this box and whisker plot is drawn?

OpenStudy (gabylovesyou):

ash did u recieve the link of the picture?

OpenStudy (ash2326):

@Gabylovesyou I did receive but I wanna know if you know how to make this?

OpenStudy (gabylovesyou):

not really

OpenStudy (ash2326):

OK Gaby, I 'll explain you how to make it, then you'll find out yourself:D

OpenStudy (gabylovesyou):

ok thank you

OpenStudy (ash2326):

Suppose, I have the following data No. of chocolates I eat, each day of a week 1, 5, 7, 2, 8, 4, 0 First step arrange the numbers in ascending order. Can you do this?

OpenStudy (gabylovesyou):

yes! 0,1,2,4,5,7,8 did u say increasing order?

OpenStudy (ash2326):

Yeah you're right. Find the median of the data?

OpenStudy (gabylovesyou):

the median is 4

OpenStudy (ash2326):

Great, in box and whiskers. We find three medians, min value and max value The first median is the one which divides the data into two halves, here 4 is one median The other two medians are median of 0, 1, 2 and median of 5, 7, 8 Find the other two medians?

OpenStudy (gabylovesyou):

1 and 7

OpenStudy (ash2326):

Great, now find the min and max value of the data?

OpenStudy (gabylovesyou):

how? depending on the medians? the medians are 1 4 and 7 do u mean that the min is 1 and the max is 7?

OpenStudy (ash2326):

The minimum and maximum of the data? 0,1,2,4,5,7,8

OpenStudy (gabylovesyou):

ohhh ok 0 and 8

OpenStudy (gabylovesyou):

right?

OpenStudy (ash2326):

Great we have all the data now, Let's make the box and whiskers

OpenStudy (gabylovesyou):

ok

OpenStudy (ash2326):

Min=0 Medians= 1, 4 and 7 Max=8

OpenStudy (ash2326):

Let's make an axis from 0 to 10 |dw:1336412870275:dw|

OpenStudy (gabylovesyou):

ok

OpenStudy (ash2326):

Now min=0 it'll be a point max =8 will be the other point|dw:1336413038334:dw|

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