✅ SAT Math: Problem Solving and Data Analysis Quiz
✅ SAT Math: Problem Solving and Data Analysis Quiz
The bar graph shows the number of students who chose each of four subjects as their favorite.
| Subject | Number of Students |
|---|---|
| History | 20 |
| Science | 30 |
| Art | 15 |
| Math | 25 |
How many students chose Science as their favorite?
B) 20
C) 25
D) 30
A student scored 85, 90, and 88 on three math tests. What is the average score for these three tests?
A) 85B) 87.67
C) 88
D) 90
The table below shows the number of employees in different departments of a company.
| Department | Number of Employees |
|---|---|
| Sales | 40 |
| Marketing | 25 |
| HR | 15 |
| IT | 20 |
What percentage of the total employees work in the Sales department?
B) 30%
C) 40%
D) 45%
The number of books read by 7 students in a month are: 3, 5, 2, 8, 4, 5, 1. What is the median number of books read?
A) 3B) 4
C) 5
D) 8
In a box of fruits, there are 12 apples, 5 oranges, and 3 bananas. What is the ratio of apples to the total number of fruits?
A) 1:2B) 2:3
C) 3:5
D) 3:7
A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. If one marble is chosen at random, what is the probability that it is a blue marble?
A) $ \frac{1}{5} $B) $ \frac{3}{10} $
C) $ \frac{1}{2} $
D) $ \frac{3}{5} $
The scatterplot shows the number of hours spent studying for a test and the test scores for 10 students. A line of best fit is drawn, which can be approximated by the equation $ y = 5x + 50 $, where $ x $ is the number of hours studied and $ y $ is the predicted test score. According to this line of best fit, what is the predicted test score for a student who studies for 6 hours?
A) 60B) 70
C) 80
D) 90
A student has an average score of 82 on her first four tests. What score does she need on her fifth test to raise her average score to 84?
A) 84B) 88
C) 90
D) 92
A store buys an item for 50. It marks up the price by 40% and then offers a 20% discount on the marked-up price. What is the final selling price of the item?
A) 52B) 56
C) 60
D) 70
Two classes, A and B, took the same math test. Class A has 20 students with an average score of 75. Class B has 30 students with an average score of 80. What is the overall average score for all students in both classes combined?
A) 77.0B) 77.5
C) 78.0
D) 78.5
A survey asked 100 people about their preferred beverage: coffee or tea. 60 people preferred coffee, and 40 people preferred tea. Among those who preferred coffee, 35 were male. Among those who preferred tea, 25 were male. If a randomly selected person from the survey is female, what is the probability that she prefers tea?
A) $ \frac{15}{40} $B) $ \frac{25}{40} $
C) $ \frac{15}{60} $
D) $ \frac{25}{60} $
A company manufactures two types of smartphones, Model X and Model Y. The production rate for Model X is 120 phones per hour, and for Model Y is 90 phones per hour. On a particular day, the factory operates for 8 hours. If 60% of the total production time was dedicated to Model X, and the remaining time to Model Y, what is the difference in the number of Model X phones and Model Y phones produced?
A) 144B) 192
C) 240
D) 288
A principal wants to estimate the average number of hours students spend on homework per week. There are 1000 students in the school. Which of the following sampling methods would produce the most reliable estimate?
A) Surveying the first 50 students who arrive at school on a Monday morning.B) Surveying 50 students chosen randomly from the list of students who participate in the after-school sports program.
C) Surveying 50 students chosen randomly from an alphabetical list of all students in the school.
D) Surveying 50 students chosen randomly from the list of students who are in advanced placement classes.
A data set of 10 numbers has a mean of 50 and a standard deviation of 5. If each number in the data set is multiplied by 2 and then 10 is added to each result, what will be the new mean and new standard deviation of the transformed data set?
A) New mean: 100, New standard deviation: 10B) New mean: 110, New standard deviation: 10
C) New mean: 110, New standard deviation: 20
D) New mean: 100, New standard deviation: 20
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