Regression – StatNut.com: Learning Statistics http://psychnut.com/statistics We're Nuts About Statistics Sat, 07 Apr 2012 21:02:15 +0000 en-US hourly 1 https://wordpress.org/?v=4.5.3 109236391 More Practice Problems: Regression http://psychnut.com/statistics/more-practice-problems-regression/ http://psychnut.com/statistics/more-practice-problems-regression/#respond Fri, 07 Nov 2008 05:55:02 +0000 http://www.statnut.com/?p=1244 Item 6 If there are 7 professors, how many classes will be taught: Professors Classes 1                     3 4                     8 12                   13 8                     2 7                     8 7                     9 a = b =   r =   see = If X (professors) is 7, Y (classes) will be = Item 7 If there are 150 candles, how many flowers […]

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]]> Item 6

If there are 7 professors, how many classes will be taught:

Professors Classes
 1                     3
 4                     8
 12                   13
 8                     2
 7                     8
 7                     9

a =
b =  
r =  
see =
If X (professors) is 7, Y (classes) will be =

Item 7

If there are 150 candles, how many flowers will a wedding have:

Candles Flowers
 22                 2
 8                 4
 6                 9
 3               11
 12                 4
 1                 6
 16               19

a =
b =
How accurate is your prediction? (see) =
If X is 150 (candles), Y (flowers) will be =

Item 8

How much will tuition (in thousands) be in 1997:

Year Tuition
1990             1
1991             3
1992             9
1993           12
1994           16

a =  
b =
[Hint: use the last digit of the year or convert Years to your own integers]
If X (year) is 7, Y (tuition) will be =

 

Answers

 

NOW YOU CHOOSE:
Day 6: Regression
Bit More About Regression
Even More About Regression
Calculate Regression
 Practice Problems
More Practice Problems
Word Problems
Sim1 Sim2 Sim3
Sim4 Sim5 Sim6
Sim7 Sim8 Sim9
Basic Facts About Regression
Vocabulary
Formulas
Quiz 6
Summary

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]]> http://psychnut.com/statistics/more-practice-problems-regression/feed/ 0 1244 Practice Problems: Regression http://psychnut.com/statistics/practice-problems-regression/ http://psychnut.com/statistics/practice-problems-regression/#respond Wed, 05 Nov 2008 04:02:24 +0000 http://02aabb1.netsolhost.com/blog4/?p=895 Item 1 If there are 6 petals on a flower, how much will an elephant plant weigh (in pounds): Petals Weight 8                 1 5                 6 2                 7 1                 8 9                 2 SSx = _____ SSy = _____ SSxy = ____ a = _____ b = _____ Item 2 If there are 9 dolls, how many […]

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]]> Item 1
If there are 6 petals on a flower, how much will an elephant plant weigh (in pounds):
Petals Weight
 8                 1
5                 6
2                 7
1                 8
9                 2
SSx = _____
SSy = _____
SSxy = ____
a = _____
b = _____
Item 2
If there are 9 dolls, how many truckes will a child have:
Trucks Dolls
 12                   11
8                     7
6                     5
2                     1
4                     3
9                     9
14                   15
a = _____
b = _____
r = _____
standard error of estimate (SEE) = _____
Item 3
If your high school GPA is 3.3, what would you predict your college GPA to be:
High Schl College
 1.0             3.9
2.5             3.7
3.3             1.4
4.0             1.0
2.3             2.9
a = _____
b = _____
Item 4
If there are 22 ducks, how many cows will the farmer own:
Ducks Cows
 3                     11
6                      6
9                      8
11                      1
15                      2
4                     10
5                      7
a = _____
b = _____
r = _____
standard error of estimate (SEE) = _____
Item 5
If there are 3 doctors, how many nurses will a hospital have
Doctors Nurses
 9              15
4                5
2                3
11               1
16             18
17             10
a = _____
b = _____
see = _____

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