Name/Notes |
Owner |
Created |
Size |
Views |
μ 1 : Mean of Male (Std. dev. not specified) μ 2 : Mean of Female (Std. dev. not specified) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 > 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 25 | 25 | 1.56 | 0.36073998 | 4.3244444 | <0.0001 |
Two sample Z hypothesis test/El Jefe | dpow6125 | Dec 9, 2019 | 1KB | 1 |
μ 1 : Mean of Minutes (T) (Std. dev. = 19.17) μ 2 : Mean of Minutes (A) (Std. dev. = 20.59) μ 1 - μ 2 : Difference between two means 95% confidence interval results:
Difference | n1 | n2 | Sample mean | Std. err. | L. limit | U. limit |
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μ1 - μ2 | 25 | 25 | -5.8 | 5.626498 | -16.827733 | 5.2277335 |
Two sample Z confidence interval | 59280536_ecollege_msumlp | Dec 2, 2019 | 1KB | 11 |
μ 1 : Mean of Minutes (T) (Std. dev. = 19.17) μ 2 : Mean of Minutes (A) (Std. dev. = 20.59) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 25 | 25 | -5.8 | 5.626498 | -1.0308366 | 0.3026 |
Two sample Z hypothesis test | 59280536_ecollege_msumlp | Dec 2, 2019 | 1KB | 7 |
μ 1 : Mean of population 1 (Std. dev. = 39) μ 2 : Mean of population 2 (Std. dev. = 30) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 138 | 138 | -22 | 4.1884936 | -5.2524851 | <0.0001 |
Two sample Z summary hypothesis test | c5b553b3-2fdf-471f-9e8b-8dd0134d7f3c-13192_d2l_iwu | Oct 27, 2019 | 1KB | 13 |
μ 1 : Mean of var2 (Std. dev. = 23) μ 2 : Mean of var1 (Std. dev. = 15) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0.05 H A : μ 1 - μ 2 ≠ 0.05
Sample | n | Mean | Std. dev. | Specified std. dev. |
---|
var2 | 7 | 131.42857 | 22.596881 | 23 | var1 | 7 | 79.714286 | 14.907652 | 15 | Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
---|
μ1 - μ2 | 7 | 7 | 51.714286 | 10.378549 | 4.9779872 | <0.0001 |
Two sample Z hypothesis test POSITIVE VALUES | mkhalbert | Aug 5, 2019 | 2KB | 21 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.8) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 649 | 1492 | -0.06 | 0.11304985 | -0.5307393 | 0.5956 |
Two sample Z summary hypothesis test (N0 Difference)
Adams 1$2 ( Mourner Vs. Adams 1$2) | colechris72 | Jul 23, 2019 | 1KB | 42 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.75) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 649 | 842 | -0.08 | 0.12848023 | -0.6226639 | 0.5335 |
Two sample Z summary hypothesis test
James Otis Vs The Mourner (No Difference) | colechris72 | Jul 23, 2019 | 1KB | 41 |
Two sample Z confidence interval | 44100557_ecollege_broward | Jul 21, 2019 | 174B | 31 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.8) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 649 | 327 | -0.06 | 0.17748553 | -0.33805573 | 0.7353 |
Two sample Z summary hypothesis test
Samuel Adam 1&2 vs The mourner | jtchete | Jun 27, 2019 | 1KB | 39 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.75) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
---|
μ1 - μ2 | 649 | 842 | -0.08 | 0.12848023 | -0.6226639 | 0.5335 |
Two sample Z summary hypothesis test
James Otis VS The MOURNER | jtchete | Jun 27, 2019 | 1KB | 31 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.6) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
---|
μ1 - μ2 | 649 | 568 | -0.19 | 0.13938072 | -1.3631727 | 0.1728 |
Two sample Z summary hypothesis test
Alexander Hancock Vs. THE MOURNER | nanyanwu | Jun 27, 2019 | 1KB | 41 |
μ 1 : Mean of population 1 (Std. dev. = 2.21) μ 2 : Mean of population 2 (Std. dev. = 2.17) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
---|
μ1 - μ2 | 649 | 795 | 0.42 | 0.11596863 | 3.6216692 | 0.0003 |
Two sample Z summary hypothesis test (Test For Mean Difference)
Test of Mean Difference ( Tom Sturdy Vs. THE MOURNER) | nanyanwu | Jun 27, 2019 | 1KB | 29 |
μ 1 : Mean of Male Hours (Std. dev. = 17.839) μ 2 : Mean of Female Hours (Std. dev. = 16.986) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 7.7 H A : μ 1 - μ 2 ≠ 7.7 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
---|
μ1 - μ2 | 33 | 29 | 7.6990596 | 4.426335 | -0.00021246446 | 0.9998 |
Two sample Z hypothesis test Male and Female | enmendoza | Jan 29, 2019 | 1KB | 76 |
μ 1 : Mean of var4 (Std. dev. not specified) μ 2 : Mean of var5 (Std. dev. not specified) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0
Sample | n | Mean | Std. dev. |
---|
var4 | 30 | 7.1476667 | 3.2874575 | var5 | 30 | 6.456 | 2.5922612 | Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 30 | 30 | 0.69166667 | 0.76435583 | 0.90490141 | 0.3655 |
Two sample Z hypothesis test | kidibuy | Dec 10, 2018 | 3KB | 92 |
μ 1 : Mean of Dutchbros Price/ounce (Std. dev. not specified) μ 2 : Mean of Starbucks Price/ounce (Std. dev. not specified) μ 1 - μ 2 : Difference between two means H 0 : μ 1 - μ 2 = 0 H A : μ 1 - μ 2 ≠ 0 Hypothesis test results:
Difference | n1 | n2 | Sample mean | Std. err. | Z-stat | P-value |
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μ1 - μ2 | 8 | 8 | -0.17 | 0.016903085 | -10.057336 | <0.0001 |
Two sample Z hypothesis test | renabayley | Dec 6, 2018 | 1KB | 80 |