Consider the following competing hypotheses and accompanying sample data. Ho: Pi-P2 = 0.20 HA P -...
Consider the following competing hypotheses and accompanying sample data. H0: p1 − p2 ≥ 0 HA: p1 − p2 < 0 x1 = 248 x2 = 266 n1 = 444 n2 = 444 a. At the 1% significance level, find the critical value(s). b. Calculate the value of the test statistic.
Consider the following competing hypotheses and accompanying sample data. (You may find it useful to reference the a table: z table or ttable) He: P1 - P2 = 0.20 HA: P1 - P20.20 25 points *1 = 126 y = 243 X2 = 125 = 480 8 03.06.08 a. Calculate the value of the test statistic. (Round Intermediate calculations to at least 4 decimal places and final answer decimal places.) eBook Test statistic References b. Find the p-value. 0.01 s...
Consider the following competing hypotheses and accompanying sample data (You may find it useful to reference the appropriate table: z table or t table) Ho: Pi - P22 MA: P1 - P2 @ X1 - 238 nu - 425 X2 - 263 n2 - 425 a. Calculate the value of the test statistic (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic...
Consider the following competing hypotheses and accompanying sample data. (You may find it useful to reference the appropriate table: z table or t table) H0: p1 − p2 ≥ 0 HA: p1 − p2 < 0 x1 = 250 x2 = 275 n1 = 400 n2 = 400 a. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal...
Consider the following competing hypotheses and accompanying sample data. Ho: P.-P220 Hip- p<0 Xi = 250 Xx = 275 m = 400 n = 400 a. At the 5% significance level, find the critical value(s). b. Calculate the value of the test statistic. c. What is the conclusion to the test? Is Pa, significantly less than pz?
Test the following hypotheses by using the x goodness of fit test. HO: pA = 0.40, pB = 0.40, and pc = 0.20 Ha: The population proportions are not PA 0.40, PB 0.40, and Pc-0.20 A sample of size 200 yielded 40 in category A 140 in category B, and 20 in category C. Use a 1 and test to see whether the proportions are as stated n·。 (a) Use the p-value approach. Find the value of the test statistic....
Consider the following hypotheses: H0 M = 130 HA A 130 The population is normally distributed with a population standard deviation of 56. (You may find it useful to reference the appropriate table: z table or table) a-1. Calculate the value of the test statistic with 7 = 149 and n= 45. (Round intermediate calculations to at least 4 decimal places and final answer to 2 decimal places.) Test statistic a-2. What is the conclusion at the 5% significance level?...
Consider the following competing hypotheses and accompanying sample data. Use Table 8. Ho Ps 20 s-0.64 andn 9 a-1. Determine the critical value at the 5% significance level. (Round your answer to 3 decimal places. Critical value a-2. Specify the decision rule. OReject Ho. if Irsl 2 critical value ⓔ Reject Ho, if Irgl > critical value b. What is the value of the test statistic? (Negative value should be indicated by a minus sign. Round your answer to 2...
Consider the following competing hypotheses and accompanying sample data drawn independently from normally distributed populations. (You may find it useful to reference the appropriate table: z table or t table) Ho: H1-Hu2 0 HA: H1 Hz< e 251 252 s1 39 s=19 n1=7 n 7 a-1. Calculate the value of the test statistic under the assumption that the population variances are equal. (Negative values should be indicated by a minus sign. Round all intermediate calculations to at least 4 decimal...
You may need to use the appropriate appendix table or technology to answer this question Consider the following hypothesis test H0: p = 0.20 Ha: p # 0.20 A sample of 400 provided a sample proportion p = 0.185 (a) Compute the value of the test statistic. (Round your answer to two decimal places.) (b) What is the p-value? (Round your answer to four decimal places.) p-value- (C) 0.05, what is your conclusion? 0 Reject H0. There is insufficient evidence...