Question 13 Marks
The weekly wages (in rupees) of 28 workers of a factory are given below: $668, 610, 642, 658, 668, 620, 719, 720, 700, 690, 710, 642, 672, 654, 692, 706, 718, 702, 704, 678, 615, 640, 680, 716, 705, 615, 636, 656$. Construct a frequency table with equal class intervals, taking the first of the class intervals as $610-630$, where $630$ is not included.
View full question & answer→Question 23 Marks
A dice was thrown 30 times and the following outcomes were noted: 2, 1, 2, 4, 6, 1, 2, 3, 6, 5, 4, 4, 3, 1, 1, 3, 1, 1, 5, 6, 6, 2, 2, 3, 4, 2, 5, 5, 6, 4. Prepare a frequency table.
Question 33 Marks
The number of members in $20$ families are given below: $4, 6, 5, 5, 4, 6, 3, 3, 5, 5, 3, 5, 4, 4, 6, 7, 3, 5, 5, 7$. Prepare a frequency distribution of the data.
View full question & answer→Question 43 Marks
The following data gives the number of children in $40$ families:
$1, 2, 6, 5, 1, 5, 1, 3, 2, 6, 2, 3, 4, 2, 0, 4, 4, 3, 2, 2, 0, 0, 1, 2, 2, 4, 3, 2, 1, 0, 5, 1, 2, 4, 3, 4, 1, 6, 2, 2$.
Represent it in the form of a frequency distribution.
View full question & answer→Question 53 Marks
The daily earnings (in rupees) of $24$ stores in a market was recorded as under:
$715, 650, 685, 550, 573, 530, 610, 525, 742, 680, 736, 524, 500, 585, 723, 545, 532, 560, 580, 545, 625, 630, 645, 700.$
Prepare a frequency table taking equal class sizes. One such class is $500-550$, where $550$ is not included.
View full question & answer→Question 63 Marks
The electricity bills (in rupees) of $25$ houses of a certain locality for a month are given below: $324, 700, 617, 400, 356, 365, 435, 506, 548, 736, 780, 378, 570, 685, 312, 630, 584, 674, 754, 776, 596, 745, 565, 763, 472$. Arrange the above data in increasing order and form a frequency table using equal class intervals, starting from $300-400$, where $400$ is not included.
View full question & answer→Question 73 Marks
The heights (in cm) of $22$ students were recorded as under: $125, 132, 138, 144, 142, 136, 134, 125, 135, 130, 126, 132, 135, 142, 143, 128, 126, 136, 135, 130, 130, 133$. Prepare a frequency distribution table, taking equal class intervals and starting from $125-130$, where $130$ is not included.
View full question & answer→Question 83 Marks
The weekly pocket expenses (in rupees) of $30$ students of a class are given below: $62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115$. Construct a frequency table with class intervals $60-70$ (where $70$ is not included), $70-80, 80-90$, etc.
View full question & answer→Question 93 Marks
Look at the histogram given below and answer the question that follow:
$i.$ What information is being given by the histogram?
$ii.$ How many teachers are of age less than $45$ years?
$iii.$How many teachers are of age $40$ years or more but less than $55$ years? Answer$i.$ The given histogram tells about the number of teachers in a school from the age group $25-30$ to $55-60$.
$ii.$ Number of teachers with age less than $45$ years $= 3 + 5 + 7 + 6 = 21$
$iii.$ Number of teachers with age more than $40$ years but less than $55$ years $= 6 + 4 + 3 = 13$
View full question & answer→Question 103 Marks
The marks obtained by 40 students of a class in an examination are given below: $8, 47, 22, 31, 17, 13, 38, 26, 3, 34, 29, 11, 22, 7, 15, 24, 38, 31, 21, 35, 42, 24, 45, 23, 21, 27, 29, 49, 25, 48, 21, 15, 18, 27, 19, 45, 14, 34, 37, 34$. Prepare a frequency distribution table with equal class intervals, starting from $0-10$ (where $10$ not included).
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