Answered

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In a sample of 30 men, the mean height was 177 cm. In a sample
of 16 women, the mean height was 164 cm. What was the mean
height for both groups put together?

Sagot :

chisomokoye48

Answer:

172.5

Step-by-step explanation:

mean of men=sum/no of men

177=sum/30

sum=177*30

= 5310

mean of women=sum/no of women

164=sum/16

sum=164*16

= 2624

mean height= (5310+2624)/30+16

=7934/46

=172.5

genan

Answer:

172.48cm is the mean height for both groups put togther

Step-by-step explanation:

I've attached my work

- im red is the given information

- In pink is the formula used

- in green is the final answer

- In blue is what we need to find + the proccess

Please give me feedback on my repsomse by commenting,

any way i can improve showing my work?

Hope it helps, let me know if you have questions !

Have a nice rest of your day :)

View image genan
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