The Olympic Medal count for countries who have won medals as of this past Monday

Question

The Olympic Medal count for countries who have won medals as of this past Monday morning was as follows: (we are not interested in considering and don't include the 69 countries that haven't won a medal yet) Number of Medals: 7 654321 Number of Countries: 2 0 30248 (On some computers these numbers aren't lined up in columns. They should be. The seven and two should be in a column, the six and zero in a column, etc.) 1.1. What is the mean number of medals won as of Monday morning? A. none of the above O B. 2.68 . 3.24 D. 7.29 O E. 4.00 Continue without saving

Explanation / Answer

Number of medals : 7 6 5 4 3 2 1

1.1 Mean number of medals = Sum of medals/ number of medals

= 28 / 7 = 4

Hence E. 4.00 is correct answer.

1.2 Median : Median is the middle most value of arranged data.

We have n = 7

so we get Median = (n+1)/2 = 8/2 = 4th observation

so we get Median = 4

Hence E. 4 is the correct answer.

1.3 Mode : The most repeated observation in the data is called Mode.

In the data 8 counties has won medal 1, that is 1 is repeated 8 ( maximum) times.

Hence Mode = 1

So C. 1 is the correct answer.

As per the chegg policy we can not answer more than one question at a time

1.4 Range = Maximum - minimum

Here we have maximum = 7 and minimum = 1

So we get range = 7 - 1 = 6

Hence A. 6 is correct answer.

As per chegg policy we can not answer more than one question at a time. For the help of next questions please rejoin to chegg again. Thank you :)

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