the. heights of 10 girls were measured in cm andthe result were as follows 143,148,135,150,128,139,149,146,151,132. a)what. is. the range of the data. b) what is. the height of. shotest girl. c)find the mean height.
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( a ) Range of the data
= Highest outcome - Lowest outcome
= 151 - 128 cm
= 23 cm
( b ) Height of shortest girl = 128 cm
( c ) Mean height = ( 143 + 148 + 135 + 150 + 128 + 139 + 149 + 146 + 151 + 132 ) ÷ 10
= 1421 ÷ 10
= 142.1 cm
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