Rache
Lv 5
Rache asked in Science & MathematicsMathematics · 1 decade ago

can someone help me with a math problem? i have the answer but i just want to make sure it's correct?

i have to find the mean of the frequency distribution table...soo

here it is...16(12)+73(17)+71(22)+27(27)+10(32)+3(37)

(total divided by 200)

i just want to see wat u guys got because i keep getting different answers

thanks in advance

Update:

6(12)+73(17)+71(22)+27(27)+10(32)+3(37)

sorry

1 Answer

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  • 1 decade ago
    Favorite Answer

    the first step is to multiply the numbers.

    6(12)+73(17)+71(22)+27(27)+10(32)+3(37):

    72+1241+1562+729+320+111

    then get the sum:

    4035

    and finally, divide by 200

    20.175 is the answer.

    always perform multiplication then division and finally addition/subtraction.

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