Digital SAT Problem-Solving and Data Analysis: ratios, percentages, statistics and probability quiz quiz
9questions. Pick an answer and you'll see why right away.
A recipe uses 4 cups of water for every 3 cups of rice. For 9 cups of rice, how many cups of water are needed?
A car travels 180 miles in 3 hours at constant speed. What is its unit rate?
A $50 shirt is discounted 30%. What is the sale price?
After a 25% increase, a value is 500. What was the original value?
A stock rises 20% then falls 20%. What is the net change?
For the data set 5, 9, 9, 11, 31, how does the mean compare with the median?
Two data sets have the same mean, but set A is tightly clustered and set B is widely spread. Which has the larger standard deviation?
A line of best fit for value (dollars) versus age (years) is . What does the slope represent?
Of 150 students, 90 are seniors; of those 90 seniors, 36 take a language. What is the probability a senior takes a language?