For the below output, what was the test used, the p-value and the conclusion?
a. |
An F test, with 1 and 94 degrees of freedom; p = 0.000;reject the null |
|
b. |
A chi-square test with 4 degrees of freedom; p = 0.383; do not reject the null. |
|
c. |
A t-test with 91 degrees of freedom; p = 0.000; reject the null |
|
d. |
An F test with 4 and 91 degrees of freedom; p = 0.000; reject the null |
For the below output, what was the test used, the p-value and the conclusion? a. An...
For the below output, what was the test used, the p-value and the conclusion? a. An F test, with 1 and 94 degrees of freedom; p = 0.000;reject the null b. A chi-square test with 4 degrees of freedom; p = 0.383; do not reject the null. c. A t-test with 91 degrees of freedom; p = 0.000; reject the null d. An F test with 4 and 91 degrees of freedom; p = 0.000; reject the null lSummary of...
1. What is the degree of freedom, df of Chi2 for Independence, if each nominal variable consists of 4 categories? A. df = 2 B. df = 8 C. df = 7 D. df = 4 E. df = 9 F. df = 6 2. A researcher used Chi2 test for Goodness of Fit to test whether there is any difference in preferences for brands of six soft drinks. If the study uses a sample of n = 180 participants,...
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1 = 4, s1 = .20, n1 = 15, x⎯⎯2 = 4.25, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1 = 4, s1 = .20, n1 = 15, x⎯⎯2 = 4.25, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1x1 = 4.75, s1 = .20, n1 = 15, x⎯⎯2x2 = 5.18, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1x1 = 4.75, s1 = .20, n1 = 15, x⎯⎯2x2 = 5.18, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1x1 = 4.75, s1 = .20, n1 = 15, x⎯⎯2x2 = 5.18, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
QUESTION 4 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 34.7, df = 21 0.75 < P<0.90 0.05 <P<0.10 0.90 < P<0.95 0.025 <P<0.05 QUESTION 5 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 35.2, df = 24 0.90 < P<0.95 0.025 <P<0.05 0.75 <P<0.90 0.05 < P<0.10
Do a two-sample test for equality of means assuming unequal variances. Calculate the p-value using Excel. (a-1) Comparison of GPA for randomly chosen college juniors and seniors: x⎯⎯1 = 4, s1 = .20, n1 = 15, x⎯⎯2 = 4.25, s2 = .30, n2 = 15, α = .025, left-tailed test. (Negative values should be indicated by a minus sign. Round down your d.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick"...
Determine (a) the test statistic, (b) the degrees of freedom, (c) the P-alue, and (d) test the hypothesis at the a-0.05 level of significance. Outcome Obsenved Expected 25 25 25 25 A B C Do 22 28 24 26 H,: At least one of the proportions is different from the others Click the icon to wew the chi-square distribution table Round to two decimal places as needed.) (b) (True False) The number of degrees of freedom is oneless than the...