Sunday

January 25, 2015

January 25, 2015

Posted by **angel** on Saturday, May 19, 2007 at 6:02pm.

Year students marks on the exam

2005 75 86 91 65 83 75 88 90 66 99

2006 60 78 75 98 79 90 80 88 81 90

from the following choose two options which are true about the table above.

a) the mean of the 2005 marks are greater than the mean of 2006 marks.

b) The interquartile range of the 2005 marks is more than the interquartile range of the 2006 marks.

c) The median of the 2005 marks is less than the median of the 2006 marks.

d) The standard deviation of the 2005 marks is the same as the standard deviation of the 2006 marks.

e) The range of the 2005 is greater than the range of the 2006 marks.

f) The relative spread of the 2005 marks is greater than the relative spread of 2006 marks.

g) The lower quartile of the 2005 marks is the same as the lower quartile of the 2006 marks.

h) The upper quartile of the 2005 marks is greater than the upper quartile of the 2006 marks.

wod it be c and e ?

**Answer this Question**

**Related Questions**

programming in c++ - a program in c++ that accepts exam marks for 10 students ...

math - A university reported that its enrollment increased from 11,801 students ...

Statistics - The marks of 100 students in an examination are normally ...

Quantitative methods - the mean and standard deviation of the grades of 500 ...

Quantitative methods - the mean and standard deviation of the grades of 500 ...

accounting - Assume that Hickory Copany has the following data related to its ...

Excel Filtering - Return 2005 Return 2006 Return 2007 I have a data table with ...

Economics - Help The answer i got is : GDP grew 10% GDP for 2006 using 2005 as ...

Statistics - In Professor White’s statistics course the correlation between the ...

economics - Find the CPI for 2006(2005 is the base year; and 2005 as the fixed ...