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Mathematics 8 Online
OpenStudy (anonymous):

Find the mean, median and mode for the following data: 17, 19, 24, 22, 24, 23 Choose the correct order for listing these measures of central tendency from least to greatest. mean, mode, median median, mode, mean mean, median, mode mode, median, mean

OpenStudy (anonymous):

and Which set of side lengths shows similar triangles? Triangle ABC : 40, 20, 50; Triangle XYZ: 10, 12.5, 10 Triangle ABC : 30, 30, 60; Triangle XYZ: 15, 15, 30 Triangle ABC : 110, 80, 60; Triangle XYZ: 6, 8, 5.5 Triangle ABC : 32, 20, 32; Triangle XYZ: 30, 16, 16

OpenStudy (anonymous):

for your first one, mean is the average of the numbers, median is the number in the middle, and mode is the number that appears the most. 1) To find the median, add all the numbers up and divide by the amount of numbers there are. 2) To find the median, put the numbers in order from smallest to greatest, and find the number in the middle. That will be your median. 3) To find the mode, just find the number that appears the most! Do you get that?

OpenStudy (anonymous):

yeah i just dont know what the central tendency is

OpenStudy (anonymous):

and for your second one, similar triangles just means that the side lengths all have a factor in common. so in this case, it'll be Triangle ABC : 30, 30, 60; Triangle XYZ: 15, 15, 30 because you're dividing in half. So Triangle ABC will be twice as big as XYZ :)

OpenStudy (anonymous):

oh ok :D

OpenStudy (anonymous):

i believe you're just finding those 3 values and then ordering them from least to greatest :)

OpenStudy (anonymous):

for #1 =)

OpenStudy (anonymous):

oh ok i get i thanks so much :D

OpenStudy (anonymous):

np :)

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