A die was thrown 20 times and the following scores were obtained: 1 6 5 3 2 6 4 3 1 5 4 2 5 6 4 6 2 5 4 5 Prepare a frequency distribution table for the score.

Arranging the data in ascending order, we get 1 , 1 , 2 , 2 , 2 , 3 , 3 , 4 , 4 , 4 , 4 , 5 , 5 , 5 , 5 , 5 , 6 , 6 , 6 , 6 Now, we may prepare the frequency table of the given data, as shown below. Outcomes of Die Number of Outcomes (Frequency) 1 2 2 3 3 2 4 4 5 5 6 4 Hence, this is the required answer.

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. What is the highest score?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Hence, the highest score is 99 .

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. What is the lowest score?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Hence, the highest score is 30 .

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. What is the range?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Hence, the range is 69 .

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. If 40 is the passing marks, how many students have failed?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Hence, there are 4 students have failed in the exam.

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. How many students have secured 75 or more marks?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Let's count the numbers above 74 Hence, the required answer is 13 students.

The marks obtained (out of 100 ) by 40 students in an examination are as under: 35 45 59 67 98 54 30 77 63 75 57 56 68 65 31 95 75 56 68 89 56 55 62 31 88 99 79 42 71 99 49 72 77 52 47 85 69 82 65 42 Prepare a grouped frequency distribution table, 30 - 40 as one group, 40 - 50 second group etc. How many students have scored less than 50 % ?

Given, Minimum height = 30 Maximum height = 99 Range = 99 − 30 = 69 Number of classes = 7 Class range = = 69 7 = 9 . 85 ≈ 10 Class interval Frequency 30 - 40 4 40 - 50 5 50 - 60 8 60 - 70 8 70 - 80 7 80 - 90 4 90 - 100 4 Hence, the required answer is 9 students.

The ages (in years) of 30 students of class VIII are as under: 12 13 12 14 14 12 14 13 16 13 15 14 16 13 13 14 16 15 13 14 13 13 14 12 14 12 15 15 13 16 Prepare a frequency distribution table.

Given, Minimum age = 12 Maximum age = 16 Range = 16 − 12 = 4 Age (years) Number of students (Frequency) 12 5 13 9 14 8 15 4 16 4 Hence, this is the required frequency distribution table.

The heights incm of 20 students were recorded as under 128 142 148 126 131 136 128 133 132 129 133 134 138 135 134 136 137 139 143 138 Prepare a frequency distribution table with 5 as class size

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 2

A die was thrown $20$ times and the following scores were obtained:

$1$	$6$	$5$	$3$	$2$	$6$	$4$	$3$	$1$	$5$
$4$	$2$	$5$	$6$	$4$	$6$	$2$	$5$	$4$	$5$

Prepare a frequency distribution table for the score.

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc. What is the highest score?

HARD

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc. What is the lowest score?

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc. What is the range?

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc.

If $40$ is the passing marks, how many students have failed?

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc. How many students have secured $75$ or more marks?

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 3

The marks obtained (out of $100$ ) by $40$ students in an examination are as under:

$35$	$45$	$59$	$67$	$98$	$54$	$30$	$77$	$63$	$75$	$57$	$56$	$68$	$65$
$31$	$95$	$75$	$56$	$68$	$89$	$56$	$55$	$62$	$31$	$88$	$99$	$79$	$42$
$71$	$99$	$49$	$72$	$77$	$52$	$47$	$85$	$69$	$82$	$65$	$42$

Prepare a grouped frequency distribution table, $30 - 40$ as one group, $40 - 50$ second group etc. How many students have scored less than $50 %$ ?

MEDIUM

8th CBSE

IMPORTANT

Step by Step>Chapter 17 - Data Handling>EXERCISE 17.1>Q 4

The ages (in years) of $30$ students of class VIII are as under:

$12$	$13$	$12$	$14$	$14$	$12$	$14$	$13$	$16$	$13$	$15$	$14$	$16$	$13$	$13$
$14$	$16$	$15$	$13$	$14$	$13$	$13$	$14$	$12$	$14$	$12$	$15$	$15$	$13$	$16$

Prepare a frequency distribution table.

$128$	$142$	$148$	$126$	$131$	$136$	$128$	$133$	$132$	$129$
$133$	$134$	$138$	$135$	$134$	$136$	$137$	$139$	$143$	$138$

The heights (in $cm$ ) of $20$ students were recorded as under:

$128$ $142$ $148$ $126$ $131$ $136$ $128$ $133$ $132$ $129$

$133$ $134$ $138$ $135$ $134$ $136$ $137$ $139$ $143$ $138$

Prepare a frequency distribution table with $5$ as class size.

Important Questions on Data Handling

Learn and Prepare for any exam you want !

$1$	$6$	$5$	$3$	$2$	$6$	$4$	$3$	$1$	$5$
$4$	$2$	$5$	$6$	$4$	$6$	$2$	$5$	$4$	$5$

$1$	$6$	$5$	$3$	$2$	$6$	$4$	$3$	$1$	$5$
$4$	$2$	$5$	$6$	$4$	$6$	$2$	$5$	$4$	$5$

The heights (in cm) of 20 students were recorded as under: 128 142 148 126 131 136 128 133 132 129 133 134 138 135 134 136 137 139 143 138 Prepare a frequency distribution table with 5 as class size.

Important Questions on Data Handling

Learn and Prepare for any exam you want !

The heights (in $cm$ ) of $20$ students were recorded as under:

$128$ $142$ $148$ $126$ $131$ $136$ $128$ $133$ $132$ $129$

$133$ $134$ $138$ $135$ $134$ $136$ $137$ $139$ $143$ $138$

Prepare a frequency distribution table with $5$ as class size.

$1$	$6$	$5$	$3$	$2$	$6$	$4$	$3$	$1$	$5$
$4$	$2$	$5$	$6$	$4$	$6$	$2$	$5$	$4$	$5$