01Question 1
Easy
The data set 7, 3, 9, 3, 8 has how many values equal to its mode?
Problem-Solving and Data Analysis
SAT one-variable data practice questions
Mean, median, mode, range, and standard deviation. You find them, compare two data sets, and say how they change when a value is added, removed, or changed.
Practice one-variable data 52 questions, no account needed.
The usual trap
Know which measures an extreme value moves. Making the largest value even larger changes the mean and the range, but the median stays the same.
Full skill name: One-variable data: distributions and measures of center and spread
Try three questions
Pick an answer to check it and see why. Practice sets also have grid-ins, where you type the answer.
02Question 2
Medium
Data set A is 20, 20, 20, 20, 20. Data set B is 10, 15, 20, 25, 30. Both have a mean of 20. Which statement about their standard deviations is true?
03Question 3
Hard
The table shows the number of days per week that each member of a fitness club exercised last month, where k is a positive integer. The mean number of days per week for all of these members is 2.9.
Days per week Number of members 1 5 2 k 3 2k 4 8 5 2 What is the mean number of days per week for the members who exercised at least 3 days per week?
Keep going
Start a set in this skill. Every answer comes with an explanation.
Practice one-variable data
52 questions in the bank: 9 Easy, 31 Medium, 12 Hard.