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Excel problem [getting a percentage from percentages?]

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game_over    719

I've tallied some answers of questions in Excel. The answer was simply yes or no, and the same question was asked across various groups of people.

I have got the percentage of each individual answer in each group of people eg..

GROUP 1

Q.1 - YES - 40% / NO - 60%

Q.2 - YES - 38% / NO - 62%

GROUP 1

Q.1 - YES - 70% / NO - 30%

Q.2 - YES - 10% / NO - 90%

and so on... but now i need to get the over all percentage of each question, out of 100%.

I don't think i can basically add Q1 (40% + 70% = 110%).

Is there a formula for something like this?

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virtorio    2,241

Calculate the average:

Q1:

(40+70)/2 = 55% voted yes

(60+30)/2 = 45% voted no

Q2:

(38+10)/2 = 24% voted yes

(62+90)/2 = 76% voted no

Ideally it's better to work with the real data, but I think that's what you're after.

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Cheryl_27    4

Depending on how accurate you need your overall (avg) %, you'd take the grand total of yes (or no) answers divided by total answers, for each question, as virtorio indicated. If need more accuracy, use actual data for the overall averages, instead of rounded off values, from step 1. Then round to desired # of decimal places.

Of course, you must multiply (or have Excell convert decimals to %) decimal fractions x 100 to get percent. 110/2 = .55 x 100 = 55%

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game_over    719

Thanks for the replies, i'm pressing on with this now, numbers bend my head.

Here is an actual row of data:

85.7% - 81.8% - 76.2% - 100.0% - 79.2% - 96.0% - 87.5% - 100.0% - 89.3% - 92.3% - What is the cumulative percentage?

I believe what i'm looking for is the Cumulative Percentage, not totally sure what that means but i think it's the same as what i asked for in original post. the % out of 100?

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-Himanshu-    122

Virtorio is right, you just need to calculate the average. Add all the percentages of yes or no, and divide by the total number of groups, and that's your required percentage of the particular choice.

Thanks for the replies, i'm pressing on with this now, numbers bend my head.

Here is an actual row of data:

85.7% - 81.8% - 76.2% - 100.0% - 79.2% - 96.0% - 87.5% - 100.0% - 89.3% - 92.3% - What is the cumulative percentage?

I believe what i'm looking for is the Cumulative Percentage, not totally sure what that means but i think it's the same as what i asked for in original post. the % out of 100?

Does that row show the percentage of people, who selected a particular choice, over 10 groups? In that case,

85.7+81.8+76.2+100+79.2+96+87.5+100+89.3+92.3/10 = 88.8

So, overall, 88.8% people selected that choice.

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game_over    719

Thats correct and thank you it looks right now.

Formula: =SUM(B1:B10)/10 = 88.8

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