Problem-Solving and Data AnalysisEasyA mean that rises while most values fall
Problem-Solving and Data Analysis practice question
In a town, the average (mean) house price rose last year, yet most houses sold for less than the year before. Which explanation is possible?
- A. A few very expensive sales pulled the mean up.Correct
- B. The mean cannot rise if most prices fall.
- C. Every house price rose.
- D. No houses were sold.
Answer: A. A few very expensive sales pulled the mean up.
The mean is sensitive to a few large values.
Why the other answers are wrong
- B. The mean cannot rise if most prices fall.
- It can, because of large values.
- C. Every house price rose.
- Most prices fell.
- D. No houses were sold.
- Then there would be no average.
More Problem-Solving and Data Analysis questions
- Easy
What is 40% of 150? - Easy
A class has 25 students, and 60% of them play a sport. How many students play a sport? - Easy
A runner covers 3 kilometers. Given that 1 kilometer equals 1000 meters, how many meters is this? - Easy
What is the range of the number of hours worked by these 6 volunteers? - Easy
A shirt has a price of $24.00. A sales tax of 8% of the price is added to the price. What is the total cost, i… - Easy
If one of these 80 students is selected at random, what is the probability that the student chose Music?
Not affiliated with the College Board. SAT is a trademark of the College Board.