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Question 1 of 8
1. Question
Students were asked how many hours they spend a week on their cell phone. What can you tell about the median in this picture?
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Question 2 of 8
2. Question
The line of best fit for a scatter plot representing study hours and test scores has the equation $y = 5x + 60$, where $y$ is the test score and $x$ is the number of study hours. What does the slope of this line represent?
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Question 3 of 8
3. Question
A bag contains 3 red marbles and 2 blue marbles. A marble is chosen, its color is noted, and it is put back in the bag. Then a second marble is drawn. What is the probability of drawing a red marble both times?
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Question 4 of 8
4. Question
In a game, a spinner is divided into 4 equal sections labeled A, B, C, and D. If the spinner is spun 100 times, how many times would you expect it to land on section A?
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Question 5 of 8
5. Question
A class scored the following on a quiz: $75, 80, 85, 90,$ and $100$. What is the mean score?
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Question 6 of 8
6. Question
A researcher wants to know the average height of adult males in a city. Which method would provide the best estimate?
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Question 7 of 8
7. Question
Using the frequency table below how many girls walked to school?
Walk Car Bus Total Boys 20 10 25 55 Girls 16 12 17 45 Total 36 22 42 100 CorrectIncorrect -
Question 8 of 8
8. Question
If a die is rolled $60$ times, and the number $4$ appears $15$ times, what is the experimental probability of rolling a $4$?
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