observed | expected | (Oi - Ei)^2/Ei |
42 | 40 | 0.1 |
39 | 40 | 0.025 |
38 | 40 | 0.1 |
41 | 40 | 0.025 |
0.25 |
a)
Test statistic,
chi-square = sum((Oi - Ei)^2/Ei)
= 0.25
b)
degrees of freedom = 3
c)
critical value is 7.815
d)
Option A
Outcome Observed Expected404040 40 Determine test statistic, b) the degrees of freedom c) the critical value...
Determine (a) the χ2 test statistic, (b) test degrees of freedom, (c) the critical value using α=0.05, and (d) test the hypothesis at the α=0.05 level of significance. Outcome Observed Expected A 18 20 B 18 20 C 22 20 D 22 20 H0:Pa=Pb=Pc=Pd=1/4 H1: at least one of the proportions is different from the others. (a)test statistics is 0.8 (b) There are 3 degrees of freedom (c) The critical value is X ?? (round three decimal places as needed)...
Outcome Observed Expected20 20 20 20 ABCD만 18 Determine a) the χ test statistic b the degrees of freedom, c the critical value using- 05, and d test the hypothesis at the a 0 5 level of significance. H, At least one of the proportions is different from the others a) The test statistic is Type an exact answer)
Determine (a) the chi squared χ2 test statistic, (b) the degrees of freedom, (c) the critical value using α=0.05, and (d) test the hypothesis at the α=0.05 level of significance. H0: pA = pB = pC = pD = 1/4th H1: At least one of the proportions is different from the others. (a) The test statistic is __?__ . (Type an exact answer.)
12.1.7 Question Help Determine (a) the x? test statistic, (b) the degrees of freedom, (c) the critical value using a = 0.05, and (d) test the hypothesis at the c = 0.05 level of significance. DO Outcome Observed Expected А 51 50 B 46 50 с 51 50 52 50 Ho: PA=Pg Pc = Po = H, At least one of the proportions is different from the others. (a) The test statistic is 0.44 (Type an exact answer.) (b) There...
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...
Determine (a) the 2 test statistic, (b) the degrees of treedom, (c) the critical value using 0.05, and (d) test the hypothesis at the a 0.05 level of significance H: At least one of the proportions is different from the others. Outcome Observed Expected A B C D 44 36 37 43 40 40 40 40 We were unable to transcribe this image
Test the hypothesis, using (a) the classical approach and then (b) the P-value approach. Be sure to verify the requirements of he test. Ho p 0.6 vsus H p>0.6 n 100; x- 75, a-0.05 a) Choose the correct result of the hypothesis test for the classic approach below. OA. Do not reject the null hypothesis, because the test statistic is greater than the critical value B. O C. Reject the null hypothesis, because the test statistic is greater than the...
Determine the critical region and the critical values used to test the following null hypotheses. (Assume a Z-test statistic is appropriate here.) (a) H0: μ = 57 (≥), Ha: μ < 57, α = 0.02 Select: less than or equal to, greater than or equal to, at least as extreme as, at most as extreme as Select: +, -, +/- Critical value: ___________ (b) H0: μ = −93 (≥), Ha: μ < −93, α = 0.1 Select: less than or...
Find the critical t-score (t) for the two tailed test with α-.01. a) t2.58 b) t3.01 c2.62 d) 2.65 e) none of these 14. 15.Therefore, the conclusion for this hypothesis test is: a) reject Ho at a-.05 and FTR Ho at a-o1 c) reject H° at α-.01 and FTR Ho at α-05 b) reject H, at α-.05 and α-.01 d) FIR h, at α-.05 and α-,01 e) none of these after in the percentage of cans showing discoloration 16. This...
C Total 90 150 240 25 50 75 50 60 110 15 40 2 Total a. Compute the expected frequencies for each cell (Type integers or decimals.) 2 b. Compute Set up the null and alternative hypotheses to test. Choose the correct answer below 0 A. Ho: Not all πί are equal (where,-A, B, O B. Ho: π1 = π2 XSTAT Is it significant at α-0.05? H1 : Not all π¡ are equal (where j = 1, 2) C) 0...