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HSA After School Day 5 Flashcards | StudBud

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HSA After School Day 5

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Questions 8

Answers

1
Which of these best describes why this is a misuse of statistics?
Graph shouldn't include years where the cost stayed the same
Years should be horiz.axis to show how cost changes overtime
A line of best fit should be used instead of a line graph.
The cost of a school lunch is actually decreasing.
2
What is the probability that the fish will be blue or yellow?
42/400
6/20
7/20
13/20
3
Which system of equations models this situation?
c = 500 + 500n c = 1.5n + 275
c = 500n c = 275n + 1.5
c = 500 c = 1.5n + 275
c = 500 c = n + 275
4
In how many months will a student spend $100 to be in the chorus?
20
15
3.33
4
5
At which of these times should the owner close the store to maximize profit?
5:00 pm
6:00 pm
7:00 pm
9:00 pm
6
Which of these is the best method for Javier to collect his data?
Number all students in the school,randomly select 40students
Randomly select 20 from both girls’ & boys’ soccer teams.
Randomly select 10 9th, 10 10th, 10 11th, & 10 12th graders.
Choose any3 buses,randomly select 40 students from the buses
7
Which equation represents this relationship?
y = x3
y = x - 1
y = x + 2
y = x2
8
Which statement best describes the meaning of the slope of this equation?
The cost of health care increased by $30 per year since 1996
The cost of health care increased by $474 per year since1996
Cost of health care increased $30,000,000 per year since1996
Cost of health care increased$474,000,000 per year since1996