Question

answer correctly
pls answer correctly​

Answer 1

class. f

40-50. 5

50-60. x

60-70. 15

70-80. 12

80-90. 7

mode= L+(f1-f0/2f1-f0-f2)h

67= 60+(15-x/30-x-12)10

7=( 15-x/18-x)10

7/10=15-x/18-x

7(18-x)=10(15-x)

126-7x=150-10x

3x=24

x=8

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