Question

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Selma wants to know if seventh grade students prefer to do their math homework in silence or with background music. She polled the 27 students in her music class. Nine students preferred to do their math homework in silence, and eighteen students preferred to do their math homework with background music.

Identify the population in the situation above.

A. students who prefer to do math homework with background music
B. students in Selma's music class
C. all seventh grade students
D. students who have math homework

Answer 1

C

Answer 2

Can you help with some more?...

Answer 3

i can try

Answer 4

Bill stood outside the mall and asked every fourth person to enter the mall for their favorite sport. There were four choices: football, baseball, basketball, and other. Bill surveyed a total of 49 people. Of those surveyed, 13 said football is their favorite, 14 said baseball is their favorite, 11 said basketball is their favorite, and 11 said other.

Identify the sample size in the situation above.

A. 49
B. 25
C. 38
D. 63

Answer 5

when it says Sample size does it mean the people he interviewd

Answer 6

I'm not sure... What I put up, Is all it says :P

Answer 7

@Here_to_Help15

Answer 8

Yello :)

Answer 9

if it means the people he interviewed then it would be 49

Answer 10

I dont think they'd make it that obvious lol

Answer 11

Me either... But you never know... Sometimes teachers like to trick XD

Answer 12

the first one was pretty simple

Answer 13

So go with A?...

Answer 14

The first one i believe is B

Answer 15

Yes and It was correct... But is A correct for the 2nd one?...

Answer 16

Wow what lvl are these problems lol

Answer 17

grade

Answer 18

wait was the first one C or B

Answer 19

7th :p

Answer 20

It is Sampling Analysis...

Answer 21

Yup 3 yrs ago lol

Answer 22

im gonna say go with A for the second one

Answer 23

lol I'm a youngster X'D

Answer 24

Okay A it is...

Answer 25

I know i remember doing it in my class but dont remember how

Answer 26

A was correct :)

Answer 27

@Here_to_Help15 do u remember anything lol

Answer 28

Selma wants to know if seventh grade students prefer to do their math homework in silence or with background music. She polled the 24 students in her music class. Eight students preferred to do their math homework in silence, and sixteen students preferred to do their math homework with background music.

What type of sampling is demonstrated in the situation above?

A. census
B. negative sampling
C. random sampling
D. convenience sampling

Answer 29

I onyl remember you ;) :D

Answer 30

only*

Answer 31

really

Answer 32

Yup lol :)

Answer 33

get a room X'''D

Answer 34

hahah :)

Answer 35

Anyways so number 3 let me see

Answer 36

u take this one cuz idk

Answer 37

It should be D

Answer 38

Correct :)

Which of these is an example of a non-random sample?

A. Airline passengers to Orlando, Florida, are asked about vacation plans.

B. At a school assembly, five students are randomly chosen to receive free admission to a theme park.

C. Out of all the seventh grade students in a public school district, fifteen are chosen to win a trip to a vacation destination.

D. Registered voters in Arizona are surveyed to determine if they have relatives in Florida.

Answer 39

Correct??

Answer 40

D was correct lol

Answer 41

@countrygirl1431

Answer 42

yes

Answer 43

I know it isn't B

Answer 44

I think it is D...

Answer 45

For the 4th one...

Answer 46

i think its D but i cant be sure

Answer 47

What do you think @Here_to_Help15