Answer:
Ellis Island doctors were particularly watching for signs of contagious diseases. Incurable diseases included trachoma and tuberculosis and guaranteed a return trip to where the immigrant came from.”
Step-by-step explanation:
I believe the correct answer is 160
Answer: 8
Step-by-step explanation:
It would be 8 for number 12 because if you look at the pattern on the graph it keeps going up instead of down so basically your answer would be 8
The stem and leaf plot will look like:
6 | 1 5 8 - 3 scores
7 | 1 7 7 9 - 4 scores
8 | 2 3 4 5 7 9 - 6 scores
9 | 0 1 4 7 9 - 1 score
To total up the number of students who scored less than 90, we have 3 under 60-69, 4 under 70-79, and 6 under 80-89, so this is 3 + 4 + 6. This is the third choice.
He made an error in step 3
-------------------------------------------------------------------------
He should have subtracted 2 from both sides.
-----------------------------------------------------------------