Question

pls solve it correctly ​

Answer 1

if you know the Mean Formula do it yourself

I can't understand why you all cannot do simple maths questions. at least try yourself ones

Answer 2

__________________________

|class | frequency | xi | fixi

| 1-3 | 12 | 2 | 24

| 3-5 | 22 | 4 |88

| 5-7 | 27 | 6 | 162

| 7-9 | 19 | 8 | 152

| | fi = 80. | fixi = 426

Mean (x) = fixi

fi

Mean (x) = 426

80

Mean (x) = 5.325

{ Mean (x) = 5.325 } is the correct answer.

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