Site Search:
 
Speak Korean Now!
Teach English Abroad and Get Paid to see the World!
Korean Job Discussion Forums Forum Index Korean Job Discussion Forums
"The Internet's Meeting Place for ESL/EFL Teachers from Around the World!"
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

Help with a couple math questions please!

 
Post new topic   Reply to topic    Korean Job Discussion Forums Forum Index -> Job-related Discussion Forum
View previous topic :: View next topic  
Author Message
TheTeacher..



Joined: 26 Oct 2007

PostPosted: Tue Mar 29, 2016 6:09 pm    Post subject: Help with a couple math questions please! Reply with quote

Math was never my strong point... Sad


1. On the first test the mean was 70, the standard deviation was 5, and your score was 80. On the second test the mean was 70, the standard deviation was 10, and your score was 90. On the third test the mean was 50, the standard deviation was 15, and your score was 80. On which test did you do best, relative to other students?

a. the third test

b. the first test

c. You did equally well on all three tests.

d. the second test

2. Suppose (before the days of Google satellite maps) you are purchasing a home in a small town in Missouri that you have never visited, since you are currently employed overseas. You are told by a real estate agent that the average value of homes in that town is nearly a million dollars, so you feel like you are moving into an especially nice location. You are pretty stunned when you finally move out to your “dream home” and find that except for some multi-million dollar estates surrounding a lake, most of the homes are much more ordinary than you had envisioned. How could the real-estate agent’s claim be correct?

a. The median is nearly a million dollars, because of the large estates around the lake.

b. The median is higher than the mean.

c. The mean is nearly a million dollars, because of the large estates around the lake.

d. The mode is nearly a million dollars, because of the large estates around the lake.
Back to top
View user's profile Send private message Visit poster's website
DavidVance



Joined: 21 Apr 2007

PostPosted: Sat Apr 02, 2016 10:49 pm    Post subject: Stats Reply with quote

C and C
Back to top
View user's profile Send private message
Drew345



Joined: 24 May 2005

PostPosted: Sun Apr 03, 2016 5:40 pm    Post subject: Reply with quote

I'll second that.
C and C
Took a few days though so time is probably up on the test...
Back to top
View user's profile Send private message
Kwangjuchicken



Joined: 01 Sep 2003
Location: I was abducted by aliens on my way to Korea and forced to be an EFL teacher on this crazy planet.

PostPosted: Mon Apr 04, 2016 3:17 am    Post subject: Reply with quote

If farmer Brown's wife weighs 1/2 as much as farmer Brown's pig, and farmer Brown's pig is three times as long as farmer Brown's dog, and farmer Brown's dog's tail is .146 % as long as farmer Brown's brother is tall, and x-2= 3.98783627536288373552628987300938, how many eggs did farmer Brown's rooster lay in three days?
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic    Korean Job Discussion Forums Forum Index -> Job-related Discussion Forum All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


This page is maintained by the one and only Dave Sperling.
Contact Dave's ESL Cafe
Copyright © 2018 Dave Sperling. All Rights Reserved.

Powered by phpBB © 2001, 2002 phpBB Group

TEFL International Supports Dave's ESL Cafe
TEFL Courses, TESOL Course, English Teaching Jobs - TEFL International