Given below are the heights of 14 students in centimetres. Find the number of students whose height is greater than 169 cm.
150, 150, 153, 153, 156, 156, 159, 162, 162, 165, 170, 173, 176, 178.

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Solution

In this data, it is already in increasing order.
We have to just count the number which is greater than 169.
Total number of students whose height is greater than 169 is 4.
$[1 m a r k]$

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Q. The heights of 50 students, measured to the nearest centimetres, have been found to be as follows:

\begin{matrix} 161 & 150 & 154 & 165 & 168 & 161 & 154 & 162 & 150 & 151 162 & 164 & 171 & 165 & 158 & 154 & 156 & 172 & 160 & 170 153 & 159 & 161 & 170 & 162 & 165 & 166 & 168 & 165 & 164 154 & 152 & 153 & 156 & 158 & 162 & 160 & 161 & 173 & 166 161 & 159 & 162 & 167 & 168 & 159 & 158 & 153 & 154 & 159 \end{matrix}

(i) Represent the data given above by a grouped frequency distribution table, taking the class intervals as

160 - 165, 165 - 170,

etc.
(ii) What can you conclude about their heights from the table?

Q. From this data of height of students find the number of students above the height of 169cm. 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

Arrange the given heights of 20 students in grouped distribution with a class interval of 5. The number of students above the height of 169cm is ___ Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

Given below are the heights of 20 students in centimetres. Find the number of students whose height is greater than 169 cm.

$\begin{matrix} 150 & 178 153 & 156 162 & 184 170 & 176 186 & 173 153 & 186 162 & 159 180 & 183 165 & 180 150 & 156 \end{matrix}$

The heights of 50 students, measured to the nearest centimeters, have been found to be as follows: $161 150 154 165 168 161 154 162 150 151 162 164 171 165 158 154 156 172 160 170 153 159 161 170 162 165 166 168 165 164 154 152 153 156 158 162 160 161 173 166 161 159 162 167 168 159 158 153 154 159$ Represent the data given above by a grouped frequency distribution table, taking the class intervals as $160 - 165, 165 - 170$ , etc.

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Given below are the heights of 14 students in centimetres. Find the number of students whose height is greater than 169 cm. 150, 150, 153, 153, 156, 156, 159, 162, 162, 165, 170, 173, 176, 178.

In this data, it is already in increasing order. We have to just count the number which is greater than 169. Total number of students whose height is greater than 169 is 4. ​​​​​​​ [1 mark]

Given below are the heights of 14 students in centimetres. Find the number of students whose height is greater than 169 cm.
150, 150, 153, 153, 156, 156, 159, 162, 162, 165, 170, 173, 176, 178.

In this data, it is already in increasing order.
We have to just count the number which is greater than 169.
Total number of students whose height is greater than 169 is 4.
$[1 m a r k]$