Question

Help plz.

The dot plots below show the test scores of seventh- and eighth-grade students:
(The link has the picture)
https://po.flvs.net/webdav/assessment_images/educator_mjmath2_v14/mjmath2_practice_m8_g7_c1.jpg


Based on visual inspection of the dot plots, which grade, if any, appears to have the higher mean score?

A:Grade 7
B:Grade 8
C:Both groups show about the same mean score.
D:No conclusion about mean score can be made from the data.

Answer 1

Could you please send a screenshot of the pic? I cannot view the link.

Answer 2

Ok!

Answer 3

same ss would b helpful

Answer 4

Sorry for the wait, my internet is extermely slow.

Answer 5

Okay so first thing we need to do is find the mean!

Answer 6

Do you know how to do that?

Answer 7

I believe so. You average up all the numbers, correct?

Answer 8

Yes! you do! Im shawnte btw i went to go check my messages here i come

Answer 9

Oh, ok! I averaged them all, and i got the 1st option. Is that correct?

Answer 10

Let me check rq

Answer 11

Oki

Answer 12

thats the first answer correct is that what u calculated to

Answer 13

Yeah i did that on a separate calculator i have.

Answer 14

Also, i have a couple more questions i'm stuck on. Could you help me with those?

Answer 15

Yes and those are the caluclations for the means.....now just solve the question i will walk you through it

Answer 16

So we clearly see the 7th grade class has higher mean right?

Answer 17

Yes

Answer 18

so therefor what is our answer

Answer 19

Grade 7, right?

Answer 20

Yes so option A

Answer 21

Thank you! I had a feeling that was it, i just needed a 2nd opinion. Also, I have about 2 or 3 more questions i'm stuck on, can i tag you in them?

Answer 22

*Instead of writing the question here

Answer 23

Ofc u can go ahead. Im always here

Answer 24

Ok, thank you! :)