Areporter wants to know the percent of people who want more parks to be built. he surveys 50 people at random at a local park. is this sample valid or not valid, and why? a. valid; there is no bias in the survey. b not valid; the survey asks too few people. c. not valid; there is bias because of the location where people are asked. d. valid; the survey chooses people at random.

C. not valid; There is bias because of the location where people are asked.

Step-by-step explanation:

A reporter wants to know the percent of people who want more parks to be built. He surveys 50 people at random at a local park.

This sampling is biased as the reporter is asking the people who are already in the park.

The people who are already in the park, can definitely say yes to more parks.

Rather, the reporter should have surveyed people outside the park.

So, the answer is - Not valid; There is bias because of the location where people are asked.

to plot points   for x just start at the origin (middle) and go to the left however many times it say(if the number is a positive) if the number is a negative then go right however many times it says if it is 0 go nowhere

now keep you pencil there and go up however many times it says on y(if it is positive) if it is negative then go down however many times it says. if it says 0 go nowhere.

you have just plotted a point! now when you finish plotting all of them connect them with a ruler

plot each point as (-3, 7), (0,4), (3,1), (8,-4)   in the parenthesis on the left of the comma is x and the right is y.