Advanced Placement Statistics Test: Can You Pass? Trivia Quiz
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Below is a trivia on Advanced Placement Statistics Test, Can You Pass? It is perfect for students taking statistics and is looking to see just how much they have understood from their classes. Are you among these students? Take up the quiz and get to see how much work you need to put into your studies. All the best!
- 1.The graph shows cumulative proportions plotted against land values (in dollars per acre) for farms on sale in a rural community. What is the approximate median land value?
- A.
$2000
- B.
$2250
- C.
$2500
- D.
$2750
- E.
$3000
- 2.Following is a histogram of ages of people applying for a particular high-school teaching position. Which of the following statements are true? (I). The median age is between 24 and 25. (II). The mean age is between 22 and 23. (III). The mean age is greater than the median age.
- A.
I only
- B.
II only
- C.
III only
- D.
All are true.
- E.
None are true.
- 3.Since many individuals walk around their homes in their socks, a manufacturer has created a material for socks that are believed to be more resistant to wear than cotton. The manufacturer wishes to test this belief over a period of a month. Given a group of volunteers, which of the following designs will best test this new material's resistance to wear?
- A.
Have the volunteers wear the socks made from the new material for a month, and check the wear on the socks at the end of the month.
- B.
Allow half of the volunteers to wear cotton socks, while the other half wear socks made of the new material. Compare the wear on the socks at the end of the month.
- C.
Randomly assign half of the volunteers to wear cotton socks, while the other half wear socks made of the new material. Compare the wear on the socks at the end of the month.
- D.
Randomly assign half of the volunteers to wear cotton socks, while the other half wear socks made of the new material. At the end of two weeks, the volunteers should change sock types. Compare the wear on the socks at the end of the month.
- E.
For each volunteer, randomly choose which foot wears a cotton sock, while the other foot wears a sock made of the new material. Compare the wear on the socks at the end of the month.
- 4.Suppose we have a random variable X as shown below. What is the mean of X?
- A.
0.29
- B.
0.71
- C.
4.35
- D.
10.65
- E.
None of the above.
- 5.Which of the following statements about the correlation coefficient are true? (I). The correlation coefficient and the slope of the regression line may have opposite signs. (II). A correlation of 1 indicates a perfect cause-and-effect relationship between the variables. (III). Correlations of +.87 and −.87 indicate the same degree of clustering around the regression line.
- A.
I only
- B.
II only
- C.
III only
- D.
I and II
- E.
I, II, and III
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