StatCrunch logo (home)

Results shared by StatCrunch members
Showing 91 to 105 of 105237 results
Name/Notes Owner Created Size Views

Two sample T confidence interval:


μ1 : Mean of People in Manhattan who use Uber
μ2 : Mean of People in Manhattan who use subway
μ1 - μ2 : Difference between two means
(with pooled variances)

95% confidence interval results:
DifferenceSample Diff.Std. Err.DFL. LimitU. Limit
μ1 - μ221.17.4937441486.032817836.167182
Two sample T confidence interval
56372434_ecollege_msumlpDec 10, 20191KB8

Two sample T hypothesis test:


μ1 : Mean of People in Manhattan who use Uber
μ2 : Mean of People in Manhattan who use subway
μ1 - μ2 : Difference between two means
H0 : μ1 - μ2 = 0
HA : μ1 - μ2 ≠ 0
(with pooled variances)

Hypothesis test results:
DifferenceSample Diff.Std. Err.DFT-StatP-value
μ1 - μ221.17.4937441482.8156820.007
Two sample T hypothesis test
56372434_ecollege_msumlpDec 10, 20191KB8

Two sample T confidence interval:


μ1 : Mean of People in Manhattan who use Uber
μ2 : Mean of People in Manhattan who use subway
μ1 - μ2 : Difference between two means
(with pooled variances)

95% confidence interval results:
DifferenceSample Diff.Std. Err.DFL. LimitU. Limit
μ1 - μ221.17.4937441486.032817836.167182
Two sample T confidence interval
56372434_ecollege_msumlpDec 10, 20191KB7

Two sample T hypothesis test:


μ1 : Mean of People in Manhattan who use Uber
μ2 : Mean of People in Manhattan who use subway
μ1 - μ2 : Difference between two means
H0 : μ1 - μ2 = 0
HA : μ1 - μ2 ≠ 0
(with pooled variances)

Hypothesis test results:
DifferenceSample Diff.Std. Err.DFT-StatP-value
μ1 - μ221.17.4937441482.8156820.007
Two sample T hypothesis test
56372434_ecollege_msumlpDec 10, 20191KB6

Paired T hypothesis test:


μD = μ1 - μ2 : Mean of the difference between COMMUTE TIME and GPA
H0 : μD = 3
HA : μD > 3
Group by : OUTSTANDING STUDENT <3.0

Summary statistics for COMMUTE TIME :


OUTSTANDING STUDENT <3.0nMeanStd. dev.
N1060.921.532663
Y2723.18518524.003264

Summary statistics for GPA:


OUTSTANDING STUDENT <3.0nMeanStd. dev.
N102.4080.60385429
Y273.33666670.32563547

Hypothesis test results:
OUTSTANDING STUDENT <3.0MeanStd. Err.DFT-StatP-value
N58.4926.866606698.0814299<0.0001
Y19.8485194.6051281263.65864280.0006
Paired T hypothesis test
sdstats2019Dec 10, 20194KB9

Analysis of Variance results:


Responses: cups of coffee
Factors: hrs sleep

Response statistics by factor


hrs sleepnMeanStd. Dev.Std. Error
310NaNNaN
6251.080.702376920.14047538
421.50.707106780.5
81010.942809040.2981424
7191.10526320.994134850.22807018
5101.81.22927260.38873013

ANOVA table


SourceDFSSMSF-StatP-value
hrs sleep56.12127261.22425451.44365520.2216
Error6151.7294740.84802416
Total6657.850746
One Way ANOVA
statsfall2019Dec 10, 20193KB15

Two sample T hypothesis test:


μ1 : Mean of Freshmen
μ2 : Mean of Seniors
μ1 - μ2 : Difference between two means
H0 : μ1 - μ2 = 0
HA : μ1 - μ2 ≠ 0
(with pooled variances)


Sample Statistics:


SamplenMeanStd. dev.
Freshmen1253.16666726.09017
Seniors1261.91666724.567008

Hypothesis test results:
DifferenceSample Diff.Std. Err.DFT-StatP-value
μ1 - μ2-8.7510.34502622-0.845817080.4068
Midterm 3 number 12
ashlynjones57Dec 9, 20192KB4

One sample T hypothesis test:


Group by: Section
μ : Mean of W average
H0 : μ = 0
HA : μ ≠ 0

Hypothesis test results:
SectionSample MeanStd. Err.DFT-StatP-value
A0.735101520.0277191392126.519638<0.0001
B0.758370420.0281364432126.953315<0.0001
One sample T hypothesis test
ensah3Dec 9, 20191KB5
BoxplotkzaharagloriaDec 9, 2019174B5

Summary statistics:


ColumnMeanMedianModeMinMaxRangeStd. dev.
Miles9.3582938610013013011.250865
Summary Stats
blainecampbell91Dec 9, 2019971B5
One sample T confidence intervaljasmine.hurtadoDec 9, 2019174B5

Contingency table results:


Rows: How many hours of sleep do you usually get?
Columns: Meat per week
0-23-56-8Total
00101
51315
6713222
73339
855010
92002
100011
Total1825750

Chi-Square test:


StatisticDFValueP-value
Chi-square1216.9968250.1497
Warning: over 20% of cells have an expected count less than 5.
Chi-Square suspect.
Contingency table (with data)
statsfall2019Dec 9, 20193KB6
Boxplotstatsfall2019Dec 9, 2019174B4

Two sample T hypothesis test:


μ1 : Mean of Male
μ2 : Mean of Female
μ1 - μ2 : Difference between two means
H0 : μ1 - μ2 = 0
HA : μ1 - μ2 > 0
(without pooled variances)

Hypothesis test results:
DifferenceSample Diff.Std. Err.DFT-StatP-value
μ1 - μ21.560.3607399847.2851944.3244444<0.0001
Two sample T hypothesis test/Pain scale
dpow6125Dec 9, 20191KB5

Analysis of Variance results:


Responses: How many hours of sleep do you usually get?
Factors: Meat per week

Response statistics by factor


Meat per weeknMeanStd. Dev.Std. Error
0-21871.18817710.28005602
3-5256.161.5989580.3197916
6-876.85714291.57359160.59476171

ANOVA table


SourceDFSSMSF-StatP-value
Meat per week28.10285714.05142861.90004560.1609
Error47100.217142.1322796
Total49108.32
One Way ANOVA
statsfall2019Dec 9, 20193KB4

<   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16   >

Always Learning