Statistics

Statistics course and homework discussion. Elementary statistics.
R
Formula for Normal Distribution (True Case) in Excel
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2
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73
CamilleJosion
R
Why is there n-1 degrees of freedom and not n-2 (student distribution)
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19
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271
Rafaelle55
R
PPM calculations for 6 Sigma
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3
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85
Archidamus
U
"Number of Persons” Vs “Number of Person-years” in a Stationary Population
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0
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59
user1234
P
Need help with interpretation?
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2
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125
PiiNK
L
AIC and BIC values
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3
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112
noetsi
L
Random Sample Of a Population
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0
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86
Leonardo Sigales
L
Random Sample Of a Population
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0
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90
Leonardo Sigales
J
Help with finding the variance of an unbiased estimator
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6
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120
janebondarenko
M
Pcfinhom and Kcross.inhom unexpected behavior, heterogeneity or not?
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0
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73
Mirela
I
What kind of test for comparing right-skewed data?
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13
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212
Karabiner
A
Anova Data
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9
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147
ondansetron
U
proof of expectation of sum and variance of n iid random variables
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1
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99
Dason
J
Is this possible?
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7
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185
Dason
C
Normalizing Variance Value
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2
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100
CK25
P
Comparing sensitivity, specificity, accuracy between two different diagnostic tests used on the same group of patients
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0
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94
Pete12321
F
Constructing intervals VS hypothesis testing?
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3
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98
ondansetron
M
Three proportions
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19
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236
Karabiner
M
Help with graph
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2
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90
Mm338
C
Urgent help in Statistics !!!
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2
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97
Caleb Danq
O
Corelation between two dichotomous variables
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0
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69
Oalvinegro
R
Help with choosing a method
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2
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93
robbiedarza
J
Is it appropriate to use Mann-Whitney U test for each of four outcomes when outcomes are mutually exclusive?
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1
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93
CamilleJosion
D
Multivariate analysis help
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0
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100
dpat
M
Sample size when adding two means
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1
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95
obh
M
T Test word problem! HELP
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0
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92
mopeck
D
Endogeneity and R-squared
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7
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122
Deepn6
C
Can you include negative results when doing statistics of antibody titers?
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0
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77
chichak
J
Qns about IQR
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1
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79
jt193
W
Repeated measures ANOVA
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0
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62
wagnerandrew21
D
Help needed - including a continuous factor in an ANOVA vs. Covariate analysis
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1
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74
Miner
A
Can I compare results from 5 point likert scale to results from 4 point likert scale?
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1
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68
GretaGarbo
B
Which stats test should I use?
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1
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78
obh
C
Standardising a score of values
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0
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73
CyrusD
C
All items missing for various questionnaires
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8
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172
Chris007
A
Fisher Matrix and Parameter Confidence Interval
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2
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67
Archidamus
S
Constant not sig. in multiple regression - does it matter?
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0
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80
skewed
B
Advice on Statistical Test
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15
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190
byzantium
C
Determination of optimum bin size
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0
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66
CK25
S
Stochastic Process-Wiener Process
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0
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56
Saria AhmAD
J
Stats help - uni project
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0
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78
JP712111
M
Mean, Standard Deviation, and z-Scores...Oh My!
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3
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101
Karabiner
P
help extracting excel to spss
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0
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70
pragya
M
Pairwise Comparisons
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0
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83
MagnoliaMama
L
Sample Size problem: Have done a trial/pilot, but how to proceed?
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1
Views
74
lotw
B
what test to choose?
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4
Views
151
bioinfosuite
G
Which test? Comparing to instruments
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0
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89
garrett1812
B
Which ANOVA?
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0
Views
99
balint
GuPug
Please Help: Can I remove a level of a factor?
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0
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100
GuPug
C
Rainfall stats
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0
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61
cottonman
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