Hi,

Please could answer these question below as you can?

Thanks a lot..

Question 1

To determine the average length of trout in a lake, researchers catch 20 fish and measure how long they are. Select the statement below that is true.

		The researchers measure the lengths of a sample of trout in the lake.
		The researchers conduct a census.
		All of these statements are true.
		The population in this study are the 20 fish researchers caught from the lake.

Question 2

The Literary Digest was an American magazine that ran from 1890-1938. The magazine was famous for correctly predicting presidential winners since 1916 based on poll results. In 1936, however, it erroneously predicted that Alfred Landon would defeat Franklin Delano Roosevelt. This fiasco ultimately resulted in the magazine going out of business.

The reason for The Literary Digest's incorrect results has been studied throughout the years and is a famous example in statistics classes. One reason that researchers have found for the faulty results is that they surveyed automobile owners, telephone users, and their own readers. Keeping in mind that this survey took place during the Great Depression, when most people could not afford cars, phones, or magazines, what type of bias would this result in?

Question 3

A local news station wonders whether viewers prefer red wine or white. They post the same poll across all their social media pages and collect over 200,000 responses in total. What type of bias is present?

		self-interest study
		voluntary response bias
		non-response bias
		sampling bias
		loaded questions
		response bias
		perceived lack of anonymity

Question 4

Jim kept track of how many people attended each Syracuse basketball game last season. How should he classify this data?

		quantitative
		placebo-controlled
		voluntary response
		categorical

Question 5

Maddie conducts a study to see if listening to music helps students learn math. She surveys a random sample of 250 college sophomores who completed a math class within the past six months. She asks them to indicate how frequently they listened to music while studying math. The students also report their final grade in the math class at the end of the semester.

Select the statement below that is false.

		A confounding variable could be how often the participants studied math.
		Listening to music is a placebo in this study.
		Maddie conducted an observational study.
		The sample Maddie studied was 250 college sophomores.

Question 6

The Commissioner of Jurors obtains a list of all drivers' license ID numbers in Oneida County, about 165,000 people. He determines who will serve on the grand jury by selecting every 7,000^th person on the list. What type of sample is taken?

		convenience sample
		systematic sample
		simple random sample
		cluster sample
		stratified sample
		voluntary response sample

Question 7

There are 18 athletic teams at MVCC. To determine what programs athletes are majoring in, a researcher selects a random sample of 5 players from each team and interviews them. What type of sample is taken?

		simple random sample
		systematic sample
		stratified sample
		convenience sample
		cluster sample
		voluntary response sample

Question 9

After the game, the teachers at Friidrott High School treat the senior class to dinner at a fast-food restaurant of their choice. The students split into groups and are taken to their favorite fast-food restaurant. Select the graph below that shows how many students went to each restaurant in a Pareto Chart.

O 50 100 150 200 250 300-2.25 O 1.41Where Students Ate After the Game 60 50 40 Number of Students 30 20 10 O Burger King KFC Mcdonald's Taco Bell Wendy's RestaurantWhere Students Ate After the Game 60 50 40 Number of Students 30 20 10 O Wendy's McDonald's Burger King KFC Taco Bell RestaurantWhere Students Ate After the Game 60 50 40 Number of Students 30 20 10 O Taco Bell KFC Burger King McDonald's Wendy's RestaurantWhere Students Ate After the Game 60 50 40 Number of Students 30 20 10 O Burger King KFC Mcdonald's Taco Bell Wendy's RestaurantThe Temperature at Keiko's 5 - - - - - - 4 3 Frequency 2 0 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Temperature (OF)\f