Home
Ask a Question
About
Contact
Advertise
Sitemap

AP Statistics MCQ

AP Statistics | Multiple Choice | Questions And Answer | Test Bank | Exam

Home
Answer Key
How To
Translate

AP Statistics MCQ AP Statistics Why is a regression line used?

Why is a regression line used?

Naim 02:19 AP Statistics

Why is a regression line used?

Answer: to predict a value for 'y' for a given value of 'x'

Learn More :

Share this

Share on Facebook Tweet on Twitter Plus on Google+

« Prev Question

Next Question »

Search your questions here...

Trending Questions

A researcher conducting a telephone survey is concerned about possible sources of bias. Of the following, which is the best example of nonresponse bias?

A researcher conducting a telephone survey is concerned about possible sources of bias. Of the following, which is the best example of non...
A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in a certain region. The researcher randomly selected 20 public schools and 20 private schools in the region to be used in the sample. Which of the following best describes the type of sample that was taken?

A researcher wanted to estimate the average amount of money spent on extracurricular activities per school in a certain region. The resear...
A maple sugar manufacturer wants to estimate the average trunk diameter of Sugar Maples trees in a large forest. There are too many trees to list them all and take a SRS, so he divides the forest into several hundred 10 meter by 10 meter plots, selects 25 plots at random, and measures the diameter of every Sugar Maple in each one. This is an example of a

A maple sugar manufacturer wants to estimate the average trunk diameter of Sugar Maples trees in a large forest. There are too many trees ...
The maker of printer cartridges for laser printers wants to estimate the mean number of documents µ that can be printed on a new high-speed printer. The company decides to test the cartridge on two dozen different laser printers. Each document is identical in number of words and amount of graphics. A histogram of the number of pages printed for each printer shows no outliers and is fairly bell-shaped. The mean and standard deviation of the sample were 3,875 sheets, and 170 sheets, respectively. It can be assumed that the laser printers were a random sample of all laser printers on the market. Which of the following is the correct formula for a 90% confidence interval for the mean number of pages printed with the new type of cartridge?

The maker of printer cartridges for laser printers wants to estimate the mean number of documents µ that can be printed on a new high-spee...
The area under the standard Normal Curve corresponding to -0.3 < Z < 1.6 is

The area under the standard Normal Curve corresponding to -0.3<Z<1.6 is A. 0.3273 B. 0.4713 C. 0.5631 D. 0.9542 E. None of t...
The value of the residual plus yi is equal to yi.

The value of the residual plus yi is equal to yi. Answer: True.
A polling firm is interested in surveying a representative sample of registered voters in the United States. The firm has automated its sampling so that random phone numbers within the United States are called Each time a number is called, the procedure below is followed.

A polling firm is interested in surveying a representative sample of registered voters in the United States. The firm has automated its sa...
Bar charts should be used with categorical data.

Bar charts should be used with categorical data. Answer: True
Publishers of a magazine wish to determine what proportion of the magazine's 50,000 subscribers are pleased with their subscription. The publishers intend to mail a survey to 1,000 subscribers randomly selected from those who have received the magazine for 5 years or more. This introduces selection bias since long-subscribing customers are more likely to be pleased with their subscription. Which of the following would best eliminate selection bias?

Publishers of a magazine wish to determine what proportion of the magazine's 50,000 subscribers are pleased with their subscription. T...
At a large conference of teachers from a variety of subjects, a random sample of 50 mathematics teachers attending the conference was selected. Among the selected mathematics teachers, 28 percent had taken one or more courses in statistics. For which of the following populations is 28 percent a reasonable estimate of the percentage of those who have taken one or more course in statistics?

At a large conference of teachers from a variety of subjects, a random sample of 50 mathematics teachers attending the conference was sele...

Blog Archive

July (36)
May (37)
March (35)
October (44)
April (70)
February (73)

Label

AP Statistic Chapter 11 AP Statistics AP Statistics Chapter 11 AP Statistics Chapter 12 AP Statistics Chapter 2 AP Statistics Chapter 4 AP Statistics Chapter 5 AP Statistics Chapter 6 AP Statistics Unit II

Powered by Blogger.

Copyright © 2015 AP Statistics MCQ | Term Of Service | Disclaimer | Privacy Policy | DMCA