Find the number of entries below the 169163 174 179 177 178 166 170 162 179 164 161 161 157 150 157 151 152 168

The correct option is A 12 [ Observation amp; Numbers; 150 154 amp; 3; 155 159 amp; 2; 160 164 amp; 5; 165 169 amp ...

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Standard VI

Mathematics

Addition of Integers on Number Line

Find the numb...

Question

Find the number of entries below the 169

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Solution

The correct option is B
12

$\begin{matrix} O b s e r v a t i o n & N u m b e r s 150 - 154 & 3 155 - 159 & 2 160 - 164 & 5 165 - 169 & 2 170 - 174 & 2 174 - 179 & 4 \end{matrix}$

Number of observations below 169 is

3+2+5+2=12

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Similar questions

Now look at this problem: the heights of 40 people, in centimeters, are given below. Make a frequency table of this data.

175	143	177	163	170	168	156	168	145	160
159	154	148	166	168	150	164	160	176	163
140	170	165	168	169	174	158	148	155	165
162	167	171	165	171	167	159	171	167	180

Question 4 (ii)
The heights of 50 students, measured to the nearest centimeters, have been found to be as follows:
$\begin{matrix} 161 & 150 & 154 & 165 & 168 & 161 & 154 & 162 & 150 & 151 162 & 164 & 171 & 165 & 158 & 154 & 156 & 172 & 160 & 170 153 & 159 & 161 & 170 & 162 & 165 & 166 & 168 & 165 & 164 154 & 152 & 153 & 156 & 158 & 162 & 160 & 161 & 173 & 166 161 & 159 & 162 & 167 & 168 & 159 & 158 & 153 & 154 & 159 \end{matrix}$
$\begin{matrix} Height (in cm) & Number of studentss(frequency) 150 - 155 & 12 155 - 160 & 9 160 - 165 & 14 165 - 170 & 10 170 - 175 & 5 Total & 50 \end{matrix}$
(ii) What can you conclude about their heights from the table?

Q. The following are the heights in centimetres of the students in class X.
162, 155, 166, 173, 170, 161, 166, 151, 167, 176, 178, 175, 163, 165, 170, 152, 172, 166, 176, 159, 157, 158, 148, 174, 152, 162, 171, 178, 157, 145, 148.
The given data has been grouped into class intervals in the given frequency distribution table.
Fill in the table with the missing frequencies.

\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y (f_{i}) 145 - 150 & 3 150 - 155 & 3 155 - 160 & p = - - - - 160 - 165 & q = - - - - 165 - 170 & r = - - - - 170 - 175 & s = - - - - 175 - 180 & 5 \end{matrix}

Q. Translate the below figure to

1 ↓ 1 \to .

Q. Question 4 (i)
The heights of 50 students, measured to the nearest centimeters, 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.

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175	143	177	163	170	168	156	168	145	160
159	154	148	166	168	150	164	160	176	163
140	170	165	168	169	174	158	148	155	165
162	167	171	165	171	167	159	171	167	180

175	143	177	163	170	168	156	168	145	160
159	154	148	166	168	150	164	160	176	163
140	170	165	168	169	174	158	148	155	165
162	167	171	165	171	167	159	171	167	180

Find the number of entries below the 169

The correct option is B 12 ObservationNumbers150−1543155−1592160−1645165−1692170−1742174−1794 Number of observations below 169 is 3+2+5+2=12

The correct option is B
12

$\begin{matrix} O b s e r v a t i o n & N u m b e r s 150 - 154 & 3 155 - 159 & 2 160 - 164 & 5 165 - 169 & 2 170 - 174 & 2 174 - 179 & 4 \end{matrix}$

Number of observations below 169 is

3+2+5+2=12

175	143	177	163	170	168	156	168	145	160
159	154	148	166	168	150	164	160	176	163
140	170	165	168	169	174	158	148	155	165
162	167	171	165	171	167	159	171	167	180