A class obtained the following scores on a test.
Test Score Frequency
90 2
80 5
70 10
60 3
50 3
40 2
Find the mean, the median, the mode, and the range for the class. (If an answer does not exist, enter DNE.)
mean
median
mode
range

Question

A class obtained the following scores on a test.
Test Score 	             	Frequency
90 		2        
80 		5        
70 		10        
60 		3        
50 		3        
40 		2        
Find the mean, the median, the mode, and the range for the class. (If an answer does not exist, enter DNE.)
mean     	
median     	
mode     	
range

perl · Answer

Let's start with the mean

perl · Answer

this table is telling us that you have
{ 90 , 90 , 80 , 80 , 80 , 80 , 80 ... }   so its easier to multiply the test score by the frequency

perl · Answer

then divide by the total frequency

anonymous · Answer

Thanks for answering my computer is so slow that why I toke so long to answer so I have to to division am not sure what to do

anonymous · Answer

actually went I did the math again I got a number of 1.69869312e17