well, the 4 smallest values are 923, 923, 924, 926
that should point you at the mean
The following enrolment figures for 20 schools were collected. 934 923 936 931 924 933 933 937 926 923 934 931 929 934 927 927 932 934 927 940.
the difference from an assumed mean were obtained as follows : -2 -2 - 1 1 2 2 2 4 6 6 7 8 8 9 9 9 9 11 12 15
(a) determine the assumed mean
(b) use the assumed mean in (a) to find the mean enrolment.
2 answers
u hav nt help me at all coz i'hav nt understand u, plz gv me the answer of my quiz
2 answers