18 The value which has half of the observations above it and half t a range b. m

Question

18 The value which has half of the observations above it and half t a range b. median e. mean d. mode The interquartile range is a. the 50th percentile b. another name for the variance 19. the difference between the largest and smallest values the difference between the third quartile and the first q c. d. data are positively skewed, the mean will usually be a. greater than the median b. smaller than the median equal to the median d c. positive ibit 3-3 searcher has collected the following sample g sample data.T 5 12 32 xhibit 3 T

Explanation / Answer

Solution :

18) The value which has half of the observations above it and half the observations below it is called the Median .

Median is the middle most observation or 50th percentile in the data .

Option b) is correct .

19) The interquartile range is difference between the third quartile and first quartile .

IQR = Q3 - Q1

Option d) is correct .

20) When data are positively skewed, the mean will usually be greater than the median .

When data are positively skewed then : mean > median .

Option a) is correct .

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