Arrange the heights of 20 students in a grouped distribution table with a class interval of 5. The number of students whose height is below 165cm is ___

Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

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Solution

$\begin{matrix} Height & Number of Students 150 - 154 & 4 155 - 159 & 3 160 - 164 & 2 165 - 169 & 1 170 - 174 & 2 175 - 179 & 2 180 - 184 & 4 185 - 189 & 2 Total & 20 \end{matrix}$

Number of students whose height is below 165 cm = 4 + 3 + 2 =9

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Arrange the height of 20 students in a grouped distribution table with a class interval of 5. The number of students whose height is below 170cm is ___

Heights (in cm): 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.

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.

Q. The height of

20

students of a class (

c m

) are as given:

132, 131, 135, 136, 134, 132, 131, 142, 142, 152, 151, 151, 148, 145, 131, 132, 142, 156, 155, 152

. Arrange the data in the form of table of grouped data frequency distribution.

Q. The heights (in cm) of 30 students of class IX are given below:
155, 158, 154, 158, 160, 148, 149, 150, 153, 159, 161, 148, 157, 153, 157, 162, 159, 151, 154, 156, 152, 156, 160, 152, 147, 155, 163, 155, 157, 153

Prepare a frequency distribution table with 160-164 as one of the class intervals.

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

HeightNumber of Students150−1544155−1593160−1642165−1691170−1742175−1792180−1844185−1892Total20 Number of students whose height is below 165 cm = 4 + 3 + 2 =9

Arrange the heights of 20 students in a grouped distribution table with a class interval of 5. The number of students whose height is below 165cm is ___

Heights (in cm): 150, 153, 162, 170, 186, 153, 162, 180, 165, 150, 178, 156, 184, 176, 173, 186, 159, 183, 180, 156.

$\begin{matrix} Height & Number of Students 150 - 154 & 4 155 - 159 & 3 160 - 164 & 2 165 - 169 & 1 170 - 174 & 2 175 - 179 & 2 180 - 184 & 4 185 - 189 & 2 Total & 20 \end{matrix}$

Number of students whose height is below 165 cm = 4 + 3 + 2 =9