Determine whether the sample is based or unbiased. Explain
You want to estimate the number of people in a town who think that a park needs to be remodeled. You survey every 10th person who enters the park.
biased the sample is not representative of the population because people who go to a
park are more likely to think that the park needs to be remodeled
based the sample is representative of the population and selected at random
unbiased, The sample is representative of the population because people who go to a
park are more likely to know the park's needs
unbiased the sample is representative of the population, selected at random, and
large enough to provide accurate data

What percent of the circle below is shaded?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Design an er diagram for keeping track of information about votes taken in the u.s. house of representatives during the current two-year congressional session. the database needs to keep track of each u.s. state's name (e.g., texas', new york', california') and include the region of the state (whose domain is {northeast', midwest', southeast', southwest', west'}). each congress person in the house of representatives is described by his or her name, plus the district represented, the start date when the congressperson was first elected, and the political party to which he or she belongs (whose domain is {republican', democrat', 'independent', other'}). the database keeps track of each bill (i.e., proposed law), including the bill name, the date of vote on the bill, whether the bill passed or failed (whose domain is {yes', no'}), and the sponsor (the congressperson(s) who sponsored - that is, proposed - the bill). the database also keeps track of how each congressperson voted on each bill (domain of vote attribute is {yes', no', abstain', absent'}). additional information: