Using the frequency table below, find how many students received a score of 70 or better on a mathematics test.
Score interval Frequency
50-59. 2
60-69 5
70-79 5
80-89 7
90-99 2
A. 19
B. 12
C.17
D.14
I chose B. 12
Correct me if i'm wrong i'm a little unsure
I cant add lol its 14
its D
No problem, everyone mistakes from time to time. I might recommend just double-checking or triple-checking your work. This will hopefully catch most of your mistakes :)
can someone hep me out i need to pass this test
Thanks for taking your time out of ur day for me heh i make a lot of simple mistakes
@smart kid on the block if your so smart do the answers
1. 14
2. 280 - 40 randomly selected, sixteen people sleeping for 8 hours, 700 patients.
3. Survey 100 randomly selected movie-goers from the entire complex
4. Average wages paid to men and to women over five years
5. 8 - how many gymnast scored less than 50 points
6. Sandy Ridge, 14; Autumn Care 12 - how many residents are older than 80
7. Which subject is your favorite, math, which is easy, or English, which is difficult?
8. 3,200 - caught 80 fish and tagged them, later caught 120 fish and 3 had tags
9. #3 The scatterplot shows a positive trend. As the number of roller coasters increases, the total cost increases
10. #2 - comparing the number to hours worked and the amount of money earned over the week
11. #2 - 46, 52, 38, 55, 48, 61, 65, 67, 54, 71, 33, 50, 40, 70
12. The graph exaggerates the difference in the number of customers between September and October.
13. #4 - Alice surveyed several male students in her class determine whether there is a relationship between their height and weight
14. The mean is not a good measure of the salaries because five employees have salaries far above the other fifteen employees salaries.
15. #2 - The record high temperature were recorded for 20 states
16. Line graph - determine the relationship between the number of hours worked and amount of money paid
17. 120 - 30 randomly selected adults, 18 said coffee was their favorite, restaurant serves 200 adult customers a day.
18. No, it’s biased, decided to survey students with only HOT lunch and on a certain day.
19. Numbers can be confusing, needs start with zero firstly.
This is all the help I can offer.
Use they/them when mentioning me.
Thank you.