The heights of 9 girls were measured in cm and the result are as follows -
145, 150, 150, 133, 150, 141, 149, 143, 141
() Find the mean height of the girls.,
(1) What is the range of the data.
Answers
Answered by
1
Step-by-step explanation:
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
Answered by
2
Answer:
56÷16 =your answer. saksham Dev Gupt
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