Apples are most widely planted and are commercially the most important
fruit crop in Jammu and Kashmir. The cultivation of apple crop in Jammu
and Kashmir shows particular interest for a number of reasons. In terms of
both area and production, apple is very beneficial fruit crop. This provides
a major source of income and employment in Jammu and Kashmir.
Horticultural department has tasked their statistical officer to create a model for
farmers to be able to predict their produce output based on various factors. A
box containing 250 apples was opened and each apple was weighed. The
distribution of the masses of the apples is given in the following table:
Mass (in
grams)
80-100 100-120 120-140- 140-160 160-180
Frequency
20
60
70
x
60
On the basis of the above information, answer any four of the following
questions:
(i)
How many apples are in the range 140-160 mass?
(a) 40 b) 50(c) 60 d) 70
(ii)
What is the mean mass of the apples?
(a) 131 grams b) 135 grams
(c) 150 grams d) 156 grams
(iii)
What is the upper limit of the median class?
(a) 80 b) 100
(c) 120 d) 140
(iv)
What is the modal mass of the apples?
(a) 122 b) 125
(c) 128 d) 132
(v) What is the median mass of the apples?
(a) 122.33 grams b) 128.67 grams
Answers
Answer:
128.67 grams
Step-by-step explanation:
Apples are most widely planted and are commercially the most important
fruit crop in Jammu and Kashmir. The cultivation of apple crop in Jammu
and Kashmir shows particular interest for a number of reasons. In terms of
both area and production, apple is very beneficial fruit crop. This provides
a major source of income and employment in Jammu and Kashmir.
Horticultural department has tasked their statistical officer to create a model for
farmers to be able to predict their produce output based on various factors. A
box containing 250 apples was opened and each apple was weighed. The
distribution of the masses of the apples is given in the following table:
Mass (in
grams)
80-100 100-120 120-140- 140-160 160-180
Frequency
20
60
70
x
60
On the basis of the above information, answer any four of the following
questions:
(i)
How many apples are in the range 140-160 mass?
(a) 40 b) 50(c) 60 d) 70
(ii)
What is the mean mass of the apples?
(a) 131 grams b) 135 grams
(c) 150 grams d) 156 grams
(iii)
What is the upper limit of the median class?
(a) 80 b) 100
(c) 120 d) 140
(iv)
What is the modal mass of the apples?
(a) 122 b) 125
(c) 128 d) 132
(v) What is the median mass of the apples?
(a) 122.33 grams b) 128.67 grams