Question

Five members of the soccer team and five members of the track team ran the 100-meter dash. Their times are listed in the table below:


Soccer Track
12.3 12.3
13.2 11.2
12.5 11.7
11.3 12.2
14.4 13.7


What is the difference of the means for the two groups?
0.52
12.22
12.74
24.96
@ganeshie8

Answer 1

@ganeshie8

Answer 2

@iambatman @Directrix

Answer 3

@perl

Answer 4

@Directrix

Answer 5

Add up the five times of the Soccer Team and divide by 5.

Answer 6

i got 12.74

Answer 7

While I check that, add the 5 times of the track team and divide by 5.

Answer 8

ok

Answer 9

i got 12.22

Answer 10

then i added them both together and got 24.96 as the answer?

Answer 11

I agree with the Soccer team.

(12.3 + 13.2 + 12.5 + 11.3 + 14.4)/5= 12.74

Answer 12

>>What is the difference of the means for the two groups?

Don't add the means. Subtract.

Answer 13

I'll check the track average while you subtract.

Answer 14

ohhh ok so that qould equal 0.52 :)

Answer 15

(12.3 + 11.2+ 11.7 + 12.2 + 13.7)/5= 12.22

Answer 16

12.74 - 12.22 =

Answer 17

.52 which is your answer.

Answer 18

thank you soo much i've been stuck on this for 2 days and everyone i'd tag wouldn't even help me i very much appreciate your help thank you so much :)

Answer 19

You are welcome. You did all the work. It's just that addition rather than subtraction part that messed you up. It is great that you did not give up.

Answer 20

thx :) @Directrix