Question

The height of 100 plants in a garden are given below. Find the mean height of plants.

Height (in cm)

60

64

68

72

76

Number of Plants (fi)

5

16

40

30

9
​

Answer 1

Answer:

79.12

Step-by-step explanation:

mean

$mean = \frac{sum \:of \: height \: of \: plants }{total \: plants}$

sum of hieght of plants=(60×5)+(64×16)+(68×40)+(72×30)+(76×9)

=300+2048+2720+2160+684

=7912

total plants=100

$mean = \frac{7912}{100}$

$ans = 79.12$

Answer 2

Step-by-step explanation:

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