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Mathematics 21 Online
OpenStudy (anonymous):

Help plz!! will medal and fan! :) Juliet conducted a survey to find the favorite type of book of the students at her school. She asked 20 students from her class what their favorite type of book is. Juliet concludes that short stories is the favorite type of book of the students in her school because 80% of the students in her class like short stories. Use at least two sentences to explain why Juliet's sample may not be valid.

OpenStudy (anonymous):

@Nnesha @e.mccormick @samanthagreer

OpenStudy (anonymous):

Help plz!!!

OpenStudy (anonymous):

@They_Call_Me_Narii

OpenStudy (anonymous):

@superman36 @partyqueen

OpenStudy (anonymous):

Help plz!

OpenStudy (anonymous):

@Here_to_Help15

OpenStudy (here_to_help15):

The reason is because she didn't survey the school, but only surveyed her class, and to add to that It didn't say it was a random selection of students ....

OpenStudy (anonymous):

is that all?

OpenStudy (here_to_help15):

Juliet concludes that short stories is the favorite type of book of the students in her school because 80% of the students in her class like short stories.

OpenStudy (here_to_help15):

See that read it carefully

OpenStudy (here_to_help15):

That is inaccurate, she is assuming ...

OpenStudy (here_to_help15):

Just because most of her class chose short stories she believes the rest of the school will have the same choice

OpenStudy (anonymous):

Oh ok thanks! Can you help me with more?

OpenStudy (here_to_help15):

Umm Sure :)

OpenStudy (anonymous):

ok great! :D

OpenStudy (here_to_help15):

Be right back

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

Help Plz!! @Here_to_Help15

OpenStudy (here_to_help15):

nThe mean for sample A is 3.08, the mean for sample B is 3.09 and the overall sample mean is 3.085. So that's 3 hours which means .....?

OpenStudy (anonymous):

which means that Dan is correct? Right? @Here_to_Help15

OpenStudy (here_to_help15):

Correct! :)

OpenStudy (anonymous):

ok thanks! can you help with 2 more?

OpenStudy (here_to_help15):

mmmmm make a new post

OpenStudy (anonymous):

ok :)

OpenStudy (here_to_help15):

And tag me when you have

OpenStudy (anonymous):

ok

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