Homework Answers
a) from above test statistic z=2.40
p value =0.0082
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Exercise 10.2 (Algorithmic)) Consider the following hypothesis test. Hai μι-μ2 > 0 The following results are...
Consider the following hypothesis test. Ho: μ 1-u250 Hai μιιμ2>0 The following results are for two...
Consider the following hypothesis test. Ho: μ 1-u250 Hai μιιμ2>0 The following results are for two independent samples taken from the two populations. Sample 1 140 1 -25.4 2 22.3 Sample 2 n2 70 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-table. Use z-value rounded to 2 decimal places. c. with .05, what is your hypothesis testing conclusion? p-value is Select Ho
10.2 Practice Exercise 10.10 (Self-Test) Algorithmic Video Consider the following hypothesis test The following results are...
10.2 Practice Exercise 10.10 (Self-Test) Algorithmic Video Consider the following hypothesis test The following results are from independent samples taken from two populations Sample 1 n1 35 X 113.6 S1 5.1 a. What is the value of the test statistic (to 2 decimals)? Sample 2 n 240 X 210.1 S2 8.5 2.19 b. What is the degrees of freedom for the t distribution? (Round down your answer to the whole number) 34 c. What is the p-value? Use z-table The...
Consider the following hypothesis test. Ho: M1-M250 H: H 1 - > 0 The following results...
Consider the following hypothesis test. Ho: M1-M250 H: H 1 - > 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n1 - 30 n2 - 50 * 1 = 25. 9 2 = 22.8 01 - 5.2 02-7 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-table. Use z-value rounded to 2 decimal places. c....
Consider the following hypothesis test. Ho:μ1-μ2=0 Hα:μ1-μ2 #0 The following results are from independent samples taken...
Consider the following hypothesis test. Ho:μ1-μ2=0 Hα:μ1-μ2 #0 The following results are from independent samples taken from two populations sample1 sample 2 n1-35 n2=40 x1=13.6 x2=10.1 s1=5.2 s2=8.5 a.What is the value of the test statistic? b.What is the value of the degrees of freedom for the distribution? c.What is the p-value? d.At α=.05, what is your conclusion?
Consider the following hypothesis test. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠...
Consider the following hypothesis test. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 The following results are from independent samples taken from two populations. Sample 1 Sample 2 n1 = 35 n2 = 40 x1 = 13.6 x2 = 10.1 s1 = 5.9 s2 = 8.5 (a) What is the value of the test statistic? (Use x1 − x2. Round your answer to three decimal places.) (b) What is the degrees of freedom for the t...
Consider the following hypothesis test. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠...
Consider the following hypothesis test. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n1 = 80 n2 = 70 x1 = 104 x2 = 106 σ1 = 8.4 σ2 = 7.2 (a) What is 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.)...
Consider the following hypothesis test. H0: 1 - 2 ≤ 0 Ha: 1 - 2 >...
Consider the following hypothesis test. H0: 1 - 2 ≤ 0 Ha: 1 - 2 > 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n 1 = 30 n 2 = 70 x 1 = 25.5 x 2 = 22.1 σ 1 = 5.3 σ 2 = 6 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)?...
(Exercise 11.1(Algorithmic)) Consider the following results for independent samples taken from two populations Sample 1 1...
(Exercise 11.1(Algorithmic)) Consider the following results for independent samples taken from two populations Sample 1 1 400 P1 0.45 Sample 2 300 p2 0.34 a. What id the point estimate of the difference between the two population proportions (to 2 decimals)i b Develop a 90% confidence interval for the difference between the two population proportions to 4 decimals to C. Develop a 95% confidence interval for the difference between the two population proportions (to 4 decimals). to Consider the hypothesis...
Consider the following hypothesis test Но The following results are for two independent samples taken from...
Consider the following hypothesis test Но The following results are for two independent samples taken from the two populations Sample 1 Sample 2 1 25.8 22.5 a. What is the value of the test statistic (round to 2 decimals)? 2.89 b. What is the p-value (round to 4 decimals)? Use z-value rounded to 2 decimal places. c. with α-0.05, what is your hypothesis testing conclusion? p-value is- Select your answer- Hide Feedback Partially Correct
- Homework Consider the following hypothesis test. 。1 The following results are for two independent samples...
- Homework Consider the following hypothesis test. 。1 The following results are for two independent samples taken from the two populations. Sample 1 Sample2 n1=30 n2=60 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-value rounded to 2 decimal places. 0.05, what is your hypothesis testing conclusion? c. with a Select your answer - greater than or equal to 0.05, reject greater than 0.05, do...
Consider the following hypothesis test. Ho: μ 1-u250 Hai μιιμ2>0 The following results are for two independent samples taken from the two populations. Sample 1 140 1 -25.4 2 22.3 Sample 2 n2 70 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-table. Use z-value rounded to 2 decimal places. c. with .05, what is your hypothesis testing conclusion? p-value is Select Ho
10.2 Practice Exercise 10.10 (Self-Test) Algorithmic Video Consider the following hypothesis test The following results are from independent samples taken from two populations Sample 1 n1 35 X 113.6 S1 5.1 a. What is the value of the test statistic (to 2 decimals)? Sample 2 n 240 X 210.1 S2 8.5 2.19 b. What is the degrees of freedom for the t distribution? (Round down your answer to the whole number) 34 c. What is the p-value? Use z-table The...
Consider the following hypothesis test. Ho: M1-M250 H: H 1 - > 0 The following results are for two independent samples taken from the two populations. Sample 1 Sample 2 n1 - 30 n2 - 50 * 1 = 25. 9 2 = 22.8 01 - 5.2 02-7 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-table. Use z-value rounded to 2 decimal places. c....
(Exercise 11.1(Algorithmic)) Consider the following results for independent samples taken from two populations Sample 1 1 400 P1 0.45 Sample 2 300 p2 0.34 a. What id the point estimate of the difference between the two population proportions (to 2 decimals)i b Develop a 90% confidence interval for the difference between the two population proportions to 4 decimals to C. Develop a 95% confidence interval for the difference between the two population proportions (to 4 decimals). to Consider the hypothesis...
Consider the following hypothesis test Но The following results are for two independent samples taken from the two populations Sample 1 Sample 2 1 25.8 22.5 a. What is the value of the test statistic (round to 2 decimals)? 2.89 b. What is the p-value (round to 4 decimals)? Use z-value rounded to 2 decimal places. c. with α-0.05, what is your hypothesis testing conclusion? p-value is- Select your answer- Hide Feedback Partially Correct
- Homework Consider the following hypothesis test. 。1 The following results are for two independent samples taken from the two populations. Sample 1 Sample2 n1=30 n2=60 a. What is the value of the test statistic (round to 2 decimals)? b. What is the p-value (round to 4 decimals)? Use z-value rounded to 2 decimal places. 0.05, what is your hypothesis testing conclusion? c. with a Select your answer - greater than or equal to 0.05, reject greater than 0.05, do...
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