Which is true statement based on the dot plots below? a) set b has the greater mean. b) set b has the greater median c) set a is less symmetric than set b. d) set b has the greater range

The statement which is true about the dot plot is:

        D)    set B has the greater range.

Step-by-step explanation:

Set A--

We see that set A is slightly symmetric about the data point 40.Hence, the median of the set is: 40Also, the mean is calculated as follows:

     

Least value of set= 20

       and Maximum value=60

         Hence, Range= Maximum value-Least value

            i.e. Range= 60-20

                  Range= 40

Set B--

Set B is less symmetric

and there are total 16 data points

and the median of data is: 30.Also, the mean is calculated as follows:

Minimum value or least value= 10

                 and Maximum value= 60

               Hence, Range= 60-10

                  Range= 50

Set B has less mean as compared to set A

( Hence, option: A is incorrect)

Also, the median of set B is less than the median of set A.

( Hence, option: B is incorrect)

Also, set A is more symmetric than set B.

( Hence, option: C is incorrect)

Set B has greater range than set A

( since Range of set B=50

and Range of set A= 40 )

Multiply 9 and 67. then multiply 3 with 67. lastly the answer that you got for 9x67 is to be subtracted by the answer you got for 3x67

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