medium · Enhanced ACT math
Consider two data sets. Set M = 2, 4, 6, 8, 10 and Set N = 12, 14, 16, 18, 20.
Which of the following statements must be true regarding the standard deviations of these sets?
- The standard deviation of Set M is greater because its values are closer to zero.
- The standard deviation of Set M is equal to the standard deviation of Set N.
- The standard deviation of Set N is 10 units greater than that of Set M.
- The standard deviation of Set N is double the standard deviation of Set M.
Sign up free to see the explanation and track your rank →
More Enhanced ACT math practice
- How many feet does the car travel in exactly 1 minute? (Note: 1 mile = 5,280 feet)
- A large container holds 16 gallons of liquid. If 1 gallon is approximately equal to 3.8 li
- What is the percent markup on the item?
- Find the slope of the line passing through (0, -2) and (2, 0).
- Find the y-intercept of the line 3x - 4y = 12.
- In the linear equation y = -4x + 9, what is the y-intercept of the line?
- Solve for x in the equation 5(x + 2) = 35.
- What is the slope of the line represented by the equation 2x + y = 10?