|
Unit Test #52
Select your answers to the following 5 questions from the pop-up menus in the right hand column. When you are satisfied with your answers, fill in your name and e-mail address in the spaces provided below the test, and click the "Submit Test" button. Clicking the "Begin Test Again" button will clear all the answers.
|
Q1:
|
Find the lower quartile of:
4, 6, 8, 13, 16, 19, 28, 30, 35, 50
|
A. 6
B .8
C. 13
D. 30 |
Answer 1:
|
|
|
Q2:
|
What is the standard deviation of the values in question 1? |
A. 20.9
B. 17.5
C. 4.57
D. 13.9 |
Answer 2:
|
|
|
Q3:
|
The standard deviation of a set of values is 2.
If 3 is added to each value, what is the new standard deviation?
|
A. 2
B. 5
C. 2.5
D. 0 |
Answer 3:
|
|
|
Q4:
|
Use a calculator to find the standard deviation, to 2 sig. figs., of the frequency distribution:
|
A. 0.60
B. 0.81
C. 6.0
D. 0.77 |
Answer 4:
|
|
|
Q5:
|
What is the median for the frequency table above? |
A. 5
B. 6
C. 7
D. 10 |
Answer 5:
|
|
|
