Population
Mark wanted to find the favorite ice cream of the people going to his party. There were 100 people going to his party, he asked 50 out of the hundred what their favorite ice cream was. 25 people said choclate, 15 people said vanilla and 10 people said cookies and cream. What is the population?
100 people
Monsieur Raphael was having a family reunion. He wanted to know the favorite drink so he asked 10 members of his family. 1 said coke 5 said orange fanta and 4 said mountain dew. what was the sample?
10 members of the family
mike was making raffle tickets for the fall festivale so 2 people could win a small jar of jelly beans, only 30 people came to the festivale. he put all 30 names in the hat anddrew 2 names out. Is this a random sample?
yes
what does population mean?
the whole group
Brandon was having a party, he invited 20 people to his party, he wanted to know what the favorite ice cream was. He asked 10 people what their favorite ice cream was, 5 said choclate, 2 said vanillia and 3 said cookies and cream. What is the population?
20 people
Mrs. Hanna was having a family christmas dinner. she wanted to know what sides they liked with a homey baked ham. She had asked 15 of her family members, 5 corn cassrole, 5 sweet patatoe cassrole, 5 broccoli salade. What was the sample?
15 members of her famliy
you have a large bag of 50 jelly beans you draw out all of the red ones and put them in a bowl. Is this a random sample.
no
what does sample mean?
a piece of the group
Mike is having a pool party he has invited 200 people, 170 said they could not make it the other 30 said they would check with their parents. what is the population?
200 people
you had a large bag of 20 sour patch kids you put 5 in the jar. what is the sample?
5 sour patch kids
you have a family sized pack of oreos. you randomly put 5 in a small ziploc bag. could this be a random sample?
yes
what does random sampling mean
choosing random people of the group
Mike had a large bag of m&ms that had 30 m&ms. He put 15 in the fridge to save for later. he ate 5 m&ms out of the other half and gave 5 to 2 of his friends. what is the population?
30 m&ms
Marcos wanted to know how many of the students in his clas liked tamales. there are 20 kids in his class, he asked 5 of them if they liked tamales 1 said no, and 4 said that they did. what was the sample?
5 kids
mike has a big jar of jelly beans. he takes out all of the green ones and puts them in a large bowl. is this a random sample?
no
What does biased and unbiased mean?
Biased: You only choose certain people from a small area, or only choose people in a certain area
Unbiased: Fair to everyone