Statistics homework help. Mean, Median, and Mode

Find the mean, median, mode, range, interquartile range, and standard deviation of the following two examples.

Example 1

X (income)	No. of persons
200	24
250	26
180	16
300	20
350	6
280	30

Mean:
Median:
Mode:
Range:
Interquartile Range:
Standard Deviation:

Example 2

X (income)	No. of persons	Cumulative frequency (cf)
180	16	16
200	24	40
250	26	66
280	30	96

Mean:
Median:
Mode:
Range:
Interquartile Range:
Standard Deviation:
 
 
 
 

Statistics homework help