Question #3 / 25 Listed below are the numbers of doctor\'s office visits made by

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Question #3 / 25 Listed below are the numbers of doctor's office visits made by 8 families during the past year: 9, 7, 3, 1, 15, 1, 11,4 (a) What is the median of this data set? If your answer is not an integer, round your answer to one decimal (b) What is the mean of this data set? If your answer is not an integer, round your answer to one decimal place (c) How many modes does the data set have, and what are their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the value(s) of the mode(s), if applicable. zero modes one mode: two and Clear Undo Help Next Question >>

Explanation / Answer

Firstly we have to write data set arranged in asecending order, 1, 1, 3, 4, 7, 9, 11, 15

Total size of data (n) = 8

a) median = it is nothing but a middle value of the order data set.

Median = (4+7)/2 = 11/2 = 5.5

b) Mean = sum of all data value / size of dataset

Mean = ( 1+1+3+4+7+9+11+15) / 8

Mean = 51/8 = 6.4

c) Mode = It is the value that appears most often, This value is mode.

Here, 1 is appear most often that is 2 times.

So, the mode is 1.

Given data gives one is mode.

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