Eleven pet owners were asked how many pets they had in total. The results are given below. 1, 1, 2, 3, 4, 5, 5, 6, 6, 6, 7 - Two more owners are asked how many pets they have. Including their results the mean goes down to 4 but the mode is unchanged from

1, 1, 2, 3, 4, 5, 5, 6, 6, 6, 7 - n=11mean = 46/11mode= most common so 6after n=13, mean is 413*4=52so 52-46=64 and 2 works1 and 5 not as mode changes3 and 3 not as mode changes

RJ
Answered by Rishi J. Maths tutor

1773 Views

See similar Maths 13 Plus tutors

Related Maths 13 Plus answers

All answers ▸

How can we express probability?


(2x+3)/(x-4) - (2x-8)/(2x+1) =1


Given a=2, b=-5, c=0.5, d=-20 ... find abc, and 2d+10c


If a triangle has all equal length sides, what is the angle of one of the corners?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning