The stem-and-leaf plot shows test results from a science lesson. How many students got 78? scientific test results
6: 8, 8, 9
7:2 ,5,5,5,8,8,8,8,9
8: 2,2,2,6,6,9,9
9: 0,0,0,2,2,5,5,5
key: 8/2 or 8 and 2 means 82
is the answer 1 or 2 or 3 or 4
and also this sign: counts as a line before this sign doesn’t matter for this problem Why not just write 82? It’s better if you write each partition completely,
Does “7:2 ,5,5,5,8,8,8,8,9” mean 72, 75, 75, 75, 78, 78, 78, 78, 79. If so, count the 78 .help Ms sue 4 students got 78. 2 years late SRRYYYYY. Unit 4 lesson 9
Statistical questions
The answers are…
1. 4 students
2.78
3.56
4. The scale of graph 1
5. No; $9.25 is the correct median
6. friendly; sly
7. How old was each US president when elected?
8. there is only one answer
I promise they are right!! Will not fail! the other two you have to do yourself although the answer is 4
Reasoning-
because the number in the right section is the tens place while the numbers on the right are the ones place. Therefore, using this logic, if it says 7: 8, 8, 8, 8, that means it’s 4.