Question 856512
χ2 = {{{( n - 1 ) * s^2 / sigma^2 }}}
Apply formula as it pertains to each set of data
a) χ2 = {{{( 19 ) * (16.9) / (20.2) }}}
b) χ2 = {{{( 25 ) * (5.3)^2 / (29.1) }}}
c) χ2 = {{{( 11 ) * (38.7)^2 / (43.5)^2 }}}
d) χ2 = {{{( 9 ) * (174) / (10.2)^2 }}}