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1. A group of students from two schools was asked how many hours of television they...

1. A group of students from two schools was asked how many hours of television they had watched last week. Here are their responses

School A

School B

8

7

1

12

20

10

6

3

7

7

6

7

4

4

8

8

13

17

17

9

Calculate the mode, median, and mean for each distribution. Why is only the mean different for the two samples? [Hint: Think about which measures of central tendency are most sensitive to outliers.]

math   Statistics-And-Probability   
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Answer #1

Solution: Sorting the data in ascending order for both School A and School B School A School B Sr No 4 4 6 4 8 6 8 13 17 20 1Median Number of terms in the data 10 10 Since, the value of i is an integer, the median will be the mean of ith and (i HenceMedian =-= 7.5 Median-73 7.5 Mode: Mode is the observation with the highest frequency. We observe that value 7 appears thrice

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