fruit vendor was selling apples in packing boxes containing varying
amount of apples.
No. of apples
40-45
25-30
25
30-35
34
35-40
50
45-50
38
50-55
13
No. of boxes
42
i.
ii.
Estimate the modal number of apples kept in a box.
a) 37
b) 38.3
c) 36.7
d) 53.8
What will be the lower limit of median class.
a) 40
b) 45
c) 30
d) 35
Which of the following is not a measure of central tendency?
a) Class interval b) median c) mean d) mode
The difference between upper limit of modal class and median class
is.
a) 70
b) 0
c) 5
d) 80 of
Answers
Given : fruit vendor was selling apples in packing boxes containing varying
amount of apples.
To Find :
Estimate the modal number of apples kept in a box.
a) 37
b) 38.3
c) 36.7
d) 53.8
What will be the lower limit of median class.
a) 40
b) 45
c) 30
d) 35
Which of the following is not a measure of central tendency?
The difference between upper limit of modal class and median class
a) 70
b) 0
c) 5
d) 80
Solution:
25 - 30 25 25
30 - 35 34 59
35 - 40 50 109
40 - 45 42 151
45 - 50 38 189
50 - 55 13 202
Modal Class 35 - 40
Mode = 35 + 5 x ( 50 - 34)/(50 - 34 + 50 - 42)
= 35 + 5 x 16 / 24
= 35 + 3.33
= 38.33
38.3 is modal number of apples kept in a box.
202/2 = 101
35 - 40 is Median class
lower limit of median class. = 35
Class interval is not a measure of central tendency
The difference between upper limit of modal class and median class
is. 0
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Answer:
b) 38.3
d) 35
b) 0
Step-by-step explanation:
Given : fruit vendor was selling apples in packing boxes containing varying
amount of apples.
To Find :
Estimate the modal number of apples kept in a box.
a) 37
b) 38.3
c) 36.7
d) 53.8
What will be the lower limit of median class.
a) 40
b) 45
c) 30
d) 35
Which of the following is not a measure of central tendency?
The difference between upper limit of modal class and median class
a) 70
b) 0
c) 5
d) 80
Solution:
25 - 30 25 25
30 - 35 34 59
35 - 40 50 109
40 - 45 42 151
45 - 50 38 189
50 - 55 13 202
Modal Class 35 - 40
Mode = 35 + 5 x ( 50 - 34)/(50 - 34 + 50 - 42)
= 35 + 5 x 16 / 24
= 35 + 3.33
= 38.33
38.3 is modal number of apples kept in a box.
202/2 = 101
35 - 40 is Median class
lower limit of median class. = 35
Class interval is not a measure of central tendency
The difference between upper limit of modal class and median class
is. 0