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What conclusion can be determined from the dot plot below?
A dot plot showing five dots above 9, six dots above 10, three dots above 11, and one dot above 12.
Answers The number of observations is 10. The median of the data set is 10. The mean of the data set is 15. The range of the data set is 12.
are you able to help @welshfella?
can you eliminate some of the options for example how many observations are there?
There only one answer that is correct so one observation.
can you take a photo on your phone and upload?
only one answer btu there are quite a few observations Check ou the question
k hold on
Count the dots - this gives the number of observations
15 so this discounts A do you know what the median of a set of numbers is?
If there is an odd number of data values then the median will be the value in the middle.
i have to go eat my mom is yelling at me
right now these numbers are basically arranged in ascending oder already and there are 15 of them So the median would be the 8th number
ill be right back im so sorry ):
sorry about that
ok you must eat!
as I said which number is the median here/
- the middle number when the data is arranged in increasing order
no - there are 15 numbers so the 8th number is the median.
9 9 9 9 9 10 10 10 10 10 10 11 11 11 12
all you need do is pick out the 8th number
righ! so there's your answer
the median is 10
Thank you @welshfella