Question

19
Age is a special case
When we say "Sara is 17", she stays "17" until her eighteenth birthday,
This changes the midpoint and the class boundaries,
The ages of 112 people who live on a tropical island are grouped as
follows:
Age 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89
Number 20 21 23 16
11 10 07
03
01
Based on the above situation answer the following questions
(1) To convert the following data into continuous frequency data , we have to
a) + 0.5 to lower limit and - 0.5 from the upper limit
b) - 0.5 to lower limit and +0.5 from the upper limit
c) + 0.5 to the lower as well as upper limit
d) - 0.5 to the lower as well as upper limit
(ii) The modal class of the data after converting into continuous distribution is
a) 19,5-29.5
b) 95 - 19.5
c) 10 - 19
d) 20 - 29
(iii) The class size of the of the continuous frequency distribution is
a) 9 b) 45 c) 10
d) 11
(iv) The class mark of the interval 9.5 - 195
b) 5
a) 10
c) 29
d) 14.5
(v) The median class of the continuous frequency distribution is
a) 19.5 - 29.5
b) 20 - 29
c) 10 - 19
d) 9.5 - 19.5
0
In a car park, there are 125 cars, 3p bikes, 10 bicycles and 20 buses. One vehicle leaves the​

Answer 1

Answer:

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