The hights of ten girls were measured in cm are as following 135,150,139,128,151,132,146 149,143,141
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The heights of 10 girls were measured in cm and the results are as follows :
135,150,139, 128,151 ,132 ,146, 149, 143, 141.
1)what is the height of the tallest girl? 2)what is the height of the shortest girl? 3)what is the range of the data ?
4)what is the mean height of the girl ?5)how many girls have Heights more than mean height ?
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Hey there!!
The data arranged in ascending order
= 128 , 132 , 135 , 139 , 141 , 143 , 146 , 149 , 150 , 151
( i ) Height of the tallest girl = 151 cm
( ii ) Height of the shortest girl = 128 cm
( iii ) range = highest - smallest ( 151 - 128 ) = 23 cm
( iv ) Mean = sum of all observations / total number of observations
= 1414 / 10
= 141.4 cm
( v ) How many girls are there with height higher than mean = 5
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