medium · SAT Math
Data set A consists of the values 10, 20, 30, 40, 50. Data set B consists of the values 28, 29, 30, 31, 32. Both data sets have a mean of 30.
Which statement correctly compares the standard deviations of the two data sets?
- Data set A has a greater standard deviation than data set B.
- The two data sets have the same standard deviation because they have the same mean.
- There is not enough information to compare the standard deviations.
- Data set B has a greater standard deviation than data set A.
Sign up free to see the explanation and track your rank →
More SAT Math practice
- What is the greatest integer value of x that satisfies the inequality (2)/(3)(9 - 6x) ≥ 4x
- In the equation (2)/(3)(6x-9)=(1)/(4)(8x+20)+3, what is the value of 2x+1?
- If the system has no solution, what is the value of a?
- What is the value of c?
- If 5x - 12 = 3x + 8, what is the value of 2x?
- A print shop's total charge, in dollars, for an order of n p… — According to this function
- How many real solutions does the equation |2x + 6| + 10 = 4 have?
- If 2x + y = 13 and 3x - y = 7, what is the value of x + y?