Question

all the best for tomorrow's maths exam
please give me statistics chapter all formulae

Answer 1

thanks also best of luck to you too hope you will score 80

here are all the formulas

1)- mean by direct method=sigma fx/sigmaf

2)by assuming mean-a+sigmafx/sigmaf

3)-by step deviation method=a+sigma fx/sigmax×h

4)-median- l+(n)/2-cf/f)×h

5)-mode - l+(f1-f0/2f1-f0-f2)×h

Answer 2

Answer:

Step-by-step explanation:

These are some formulas