How many plants are there whose yield is less than 19 chillies per plant?

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Q.
A farmer recorded the yield of 200 chilli plants, and the data is presented in the following table:

Chillies per plant

1–7

7–13

13–19

19–25

25–31

Number of plants

15

14

75

87

9

To reduce the excessive use of chemicals on his farm, he plans to buy organic manure, but only if the average number of chillies per plant is less than 19.

Based on the above information, answer the following questions:

(i) How many plants are there whose yield is less than 19 chillies per plant

Solution

1 101

2 102

3 100

4 104

Ans.
(4)

Number of plants whose yield is less than 19 chillies per plant
= 15 + 14 + 75
= 104

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Chillies per plant	1–7	7–13	13–19	19–25	25–31
Number of plants	15	14	75	87	9

Solution

1 101

2 102

3 100

4 104

Ans. (4) Number of plants whose yield is less than 19 chillies per plant = 15 + 14 + 75 = 104

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Ans.
(4)

Number of plants whose yield is less than 19 chillies per plant
= 15 + 14 + 75
= 104