Data Analysis, Statistics, and Probability I

John asked 5 of his friends what they thought about a new movie. Is it random?

Answer the given question

Solve the given question

42 bats were marked and released. Later if out of 240, 21 were marked, what is population?

50 fish were marked and released. Later if out of 640, 16 were marked, what is population?

Solve the given question

Clara threw some printed pages into the air and grabbed 2 as they fell. Is it representative?

Justin surveyed the first 92 people to use a new website. Is it representative?

Answer the given question

Answer the given question

Brenda put the all the students' names into a hat, then, drew 7 names from hat. Is it random?

Paul polled 17 students from each school that is same size in his county. Is it representative?

Solve the given question

Nathan surveyed the 30 oldest members of a club. Is it representative?

Sam put equal sized balls in a bowl then shook the bowl until 3 balls fell out. Is it random?

Tatsu questioned the first 7 diners to arrive at the restaurant. Is it representative?

While blindfolded, Kayla shuffled a deck of cards, then selected 6 cards. Is it random?

Emily questioned the 7 most experienced doctors at the hospital. Is it representative?

21 bats were marked and released. Later if out of 480, 14 were marked, what is population?

Kirk surveyed the 202 employees at the company with over a decade of experience. Is it random?

Stacy surveyed the 7 shoppers who spent the most at her boutique last month. Is it biased?