After gathering more information about an observation you made in an experiment or survey, you need to ________.
give surveys form a hypothesis conduct an experiment. Ich of these are the answer
form a hypothesis and conduct an experiment
The information below shows results from a survey given to a randomly selected group of the population. What conclusion can you draw about the entire population?
A) Pizza and tacos are equally liked
B) Pizza is the most popular menu item
C) Hot dogs are more popular than macaroni
A table of survey results titled "What is your favorite cafeteria food?" Pizza has 38 responses, Tacos has 21 responses, Macaroni has 21 responses, and Hot Dogs has 15 responses.
Based on the given survey results, the conclusion that can be drawn about the entire population is that Pizza is the most popular menu item.
Katrina and Jessie are trying to determine how many students at Jefferson Middle School drink soda. Katrina thinks that they should survey every student at school, but Jessie thinks that will take too long and they should instead use a computer program to randomly select 50 students to survey. Whose plan will be more efficient?
Jessie's plan to randomly select 50 students to survey using a computer program will be more efficient. Surveying every student at school, as proposed by Katrina, would be time-consuming and resource-intensive. By using a random selection of 50 students, Jessie's plan can provide a representative sample that can yield similar results without the need to survey the entire population.
so its jessica
Based on the given information, it appears that Jessie's plan would be more efficient than Katrina's plan.
A group of college students is conducting a survey to determine the bus routes people use to get to work in San Francisco. Should they poll every bus rider or use random selection to complete their survey?
give me one answer
They should use random selection to complete their survey by polling a representative sample of bus riders.
Angel is trying to determine the average amount of time 8th graders spend reading. He thinks he can poll a random sample by asking every member of the library club how long they read each night. Will Angel have a random sample using this method?
yes or no