Holiday Home Work 2016-17 Class Viii Page 2
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17Q3.) What is Mi-Fi ?
What are its features ?
What are its advantages and disadvantages?
MATH
DATA HANDLING
( CLASS 8 HOLIDAY HOMEWORK)
Study the following frequency distribution table and answer the questions given
below.
Frequency Distribution of Daily Income of the workers of a factory.
Class Interval
Frequency
(Daily Income in Rupees)
(Number of workers)
100-126
30
126-152
20
152-178
40
178-204
05
204-228
10
(i)
a. What is the size of the class intervals?
b. Which class has the highest frequency?
c. What is the upper limit of the third class?
d. What is the mid mark of the fourth class?
e. Are the classes continuous or discrete?
f. Can the classes accommodate wage 228?
g. What is the total number of workers?
h. How many workers get Rs. 152 or more daily?
i. How many workers get less than Rs. 204?
(ii)
Find the daily average income of the workers. Show
working.
.
Rajesh asked 20 of his friends of their favorite color.
( a)
If 8 voted for the color green then what degree would it represent on a pie
chart?
( b)
Also if the color red has the central angle as 36 degrees then it is the
choice of how many friends?
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