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Consider the 2x3 (i.e., r 2 and c 3) contingency table shown to the right Complete...
1. Use the data in the contingency table to answer the question. Columns Rows 1 2...
1. Use the data in the contingency table to answer the question. Columns Rows 1 2 3 Total 1 36 35 92 163 2 67 57 113 237 Total 103 92 205 400 You wish to test the null hypothesis of "independence"—that the probability that a response falls in any one row is independent of the column it falls in—and you plan to use a chi-square test. You are given that there are 2 degrees of freedom associated with the...
Chapter 11, Section 11.3, Problem 021 Consider the following contingency table that is based on a...
Chapter 11, Section 11.3, Problem 021 Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 133 83 84 Row 2 90 52 | 91 | Row 3 1367996 a. Write the null and alternative hypotheses for a test of independence for this table. Ho: Rows and columns are H: Row and columns are b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true. b....
А 10 40 B 20 30 у b The contingency table shown to the right gives...
А 10 40 B 20 30 у b The contingency table shown to the right gives a cross-classification of a random sample of values for two variables, x and y, of a population a. Find the expected frequencies. Note: You will first need to compute the row totals, column totals, and grand total. b. Determine the value of the chi-square statistic. c. Decide at the 5% significance level whether the data provide sufficient evidence to conclude that the two variables...
Consider the following set of dependent and independent variables. Complete parts a through c below. y 10 11 14 14 20 24 26 32 저15597121521 x2 17 11 13 11 2 8 6 4 a. Using technology, construct a re...
Consider the following set of dependent and independent variables. Complete parts a through c below. y 10 11 14 14 20 24 26 32 저15597121521 x2 17 11 13 11 2 8 6 4 a. Using technology, construct a regression model using both independent variables. y = 1 3.5734 ) + ( 0.9496 ) x 1 + (-0.4001 ) x2 (Round to four decimal places as needed.) b. Test the significance of each independent variable using a 0.10. Test the...
Consider the hypothesis statement shown below using a 0.05 and the data to the right from...
Consider the hypothesis statement shown below using a 0.05 and the data to the right from two independent samples. Х,-113 x2-129 ơ,-41 ơ,-33 40 2-55 a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table a) The test statistic is Round to two decimal places as needed.) Determine the appropriate...
Consider the hypothesis statement shown below using α = 0.01 and the data to the right...
Consider the hypothesis statement shown below using α = 0.01 and the data to the right from two independent samples. x1 = 207 x2 = 183 n1 48 n2-39 a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table, Click here to view page 2 of the a) The test statistic is (Round to two decimal places as needed.) Determine the...
When performing a x2 test for independence in a contingency table with r ro circumstances a....
When performing a x2 test for independence in a contingency table with r ro circumstances a. a 0.05, r 5, c-3 c. a 0.01, r 4, c 6 a. Determine the upper-tail critical value of the test statistic using the values d.a0.01, r 3, c 6 e.a 0.01, r 6,c 5 The critical value is (Type an integer or a decimal. Round to three decimal places as needed
Consider the hypothesis statement to the right using a = 0.01 and the data to the...
Consider the hypothesis statement to the right using a = 0.01 and the data to the right from two independent samples. a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Ho H1 H250 H:H1-H2> 0 X = 90 x2 = 83 02 = 20 0 = 23 n =...
Consider the following set of deependent and independent variables. Complete parts a through c below. 11...
Consider the following set of deependent and independent variables. Complete parts a through c below. 11 14 14 21 24 26 31 Y X1 1 8 10 15 21 4 4. 7 X2 16 9 13 11 2 8 8 4 CO b. Test the significance of each independent variable using a 0.10. Calculate the appropriate test statistic The test statistic (Round to two decimal places as needed.) What is the critical t-score? Use the t-test to determine the significance...
Consider the hypothesis statement to the right using α-0.10 and the data to the right from...
Consider the hypothesis statement to the right using α-0.10 and the data to the right from two independent samples. a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. x87 ƠI : 22 n-55 σ2 18 a) The test statistic is Round to two decimal places Determine the appropriate critical value(s. The critical value(s) is(are) as needed.) Round to two decimal places as needed. Use a comma to separate answers as needed.)...
Chapter 11, Section 11.3, Problem 021 Consider the following contingency table that is based on a sample survey. Column 1 Column 2 Column 3 Row 1 133 83 84 Row 2 90 52 | 91 | Row 3 1367996 a. Write the null and alternative hypotheses for a test of independence for this table. Ho: Rows and columns are H: Row and columns are b. Calculate the expected frequencies for all cells assuming that the null hypothesis is true. b....
А 10 40 B 20 30 у b The contingency table shown to the right gives a cross-classification of a random sample of values for two variables, x and y, of a population a. Find the expected frequencies. Note: You will first need to compute the row totals, column totals, and grand total. b. Determine the value of the chi-square statistic. c. Decide at the 5% significance level whether the data provide sufficient evidence to conclude that the two variables...
Consider the following set of dependent and independent variables. Complete parts a through c below. y 10 11 14 14 20 24 26 32 저15597121521 x2 17 11 13 11 2 8 6 4 a. Using technology, construct a regression model using both independent variables. y = 1 3.5734 ) + ( 0.9496 ) x 1 + (-0.4001 ) x2 (Round to four decimal places as needed.) b. Test the significance of each independent variable using a 0.10. Test the...
Consider the hypothesis statement shown below using a 0.05 and the data to the right from two independent samples. Х,-113 x2-129 ơ,-41 ơ,-33 40 2-55 a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table a) The test statistic is Round to two decimal places as needed.) Determine the appropriate...
Consider the hypothesis statement shown below using α = 0.01 and the data to the right from two independent samples. x1 = 207 x2 = 183 n1 48 n2-39 a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table, Click here to view page 2 of the a) The test statistic is (Round to two decimal places as needed.) Determine the...
When performing a x2 test for independence in a contingency table with r ro circumstances a. a 0.05, r 5, c-3 c. a 0.01, r 4, c 6 a. Determine the upper-tail critical value of the test statistic using the values d.a0.01, r 3, c 6 e.a 0.01, r 6,c 5 The critical value is (Type an integer or a decimal. Round to three decimal places as needed
Consider the hypothesis statement to the right using a = 0.01 and the data to the right from two independent samples. a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Ho H1 H250 H:H1-H2> 0 X = 90 x2 = 83 02 = 20 0 = 23 n =...
Consider the following set of deependent and independent variables. Complete parts a through c below. 11 14 14 21 24 26 31 Y X1 1 8 10 15 21 4 4. 7 X2 16 9 13 11 2 8 8 4 CO b. Test the significance of each independent variable using a 0.10. Calculate the appropriate test statistic The test statistic (Round to two decimal places as needed.) What is the critical t-score? Use the t-test to determine the significance...
Consider the hypothesis statement to the right using α-0.10 and the data to the right from two independent samples. a) Calculate the appropriate test statistic and interpret the result. b) Calculate the p-value and interpret the result. x87 ƠI : 22 n-55 σ2 18 a) The test statistic is Round to two decimal places Determine the appropriate critical value(s. The critical value(s) is(are) as needed.) Round to two decimal places as needed. Use a comma to separate answers as needed.)...
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