3. The ages of 25 patients who visited a dentist are given below. Prepare a frequency distribution of
(d) Find the range of the above
(e) If 12 are the passing marks, how many students del III
(1) How many students scored above 25 marks?
the data.
34, 35, 39, 38, 4, 9, 15, 26, 12, 13, 25, 32, 3, 12, 39, 14, 12, 12, 24, 8, 21, 16, 5, 12,30
(a) What is the age of the youngest patient?
(b) What is the age of patients who visited the dentist maximum number of times?
(C) How many patients are above 30 years of age?
-- Given below are the heights of 15 students (in cm) of class VIII of a school. Prepare a discrete
frequency distribution.
128, 130, 125, 148, 142, 130, 130, 125, 128, 130, 148, 125, 142, 130, 130
A die was thrown 20 times and given below are the scores. Prepare a discrete frequen
2, 3, 1, 2, 4, 6, 5, 2, 3, 1, 4, 3, 6, 6, 1, 1, 2, 4, 5,2
The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:
distribution.
Fri
Thu
Sat
Sun
Wed
Tue
Mon
0.0
0.0
4.9
5.5
Day
Rainfall (in mm)
25.6
21.3
2.2
(a) Find the range of rainfall in the above data.
Answers
Answered by
2
Answer:
How many students scored above 25 marks?
the data.
34, 35, 39, 38, 4, 9, 15, 26, 12, 13, 25, 32, 3, 12, 39, 14, 12, 12, 24, 8, 21, 16, 5, 12,30
(a) What is the age of the youngest patient?
(b) What is the age of patients who visited the dentist maximum number of times?
(C) How many patients are above 30 years of age?
-- Given below are the heights of 15 students (in cm) of class VIII of a school. Prepare a discrete
frequency distribution.
128, 130, 125, 148, 142, 130, 130, 125, 128, 130, 148, 125, 142, 130, 130
A die was thrown 20 times and given below are the scores. Prepare a discrete frequen
Answered by
1
Answer:
a 3
b 12
c 6
is answer is correct and
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