The heights (in cm) of 90 plants in a garden are given below:

Height (in cm) 58 60 62 64 66 74

Number of plants 20 25 15 8 12 10

Find the mean height.

Open in App

Solution

Mean height = $\frac{Σ (f_{i} \times x_{i})}{Σ f_{i}} = \frac{5634}{90} = 62.6 cm$

Suggest Corrections

Similar questions

Hight (in cms.)	58	60	62	64	66	68
Number of Plants	12	14	20	13	8	5

Height (in cm)	156	154	155	151	157	152	153
Number of students	8	4	10	6	7	3	12

Heights (cms)	60	61	62	63	64	65	66	67	68
No. of children	2	0	15	29	25	12	10	4	3

Heights in inches	58	59	60	61	62	63	64	65	66
No. of students	15	20	32	35	35	22	20	10	8

Heights of students of Class X are given in the foloowing frequency distribution:

Height (in cm)	150−155	155−160	160−165	165−170	170−175
Number of students	15	8	20	12	5

Join BYJU'S Learning Program