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CHI SQUARE A die is tossed and the data appears below; 1. 6 5 4 3...
You have conducted a Chi-Square test for Homogeneity. Below are your results. LaTeX: \chi^2=2.987 χ 2...
You have conducted a Chi-Square test for Homogeneity. Below are your results. LaTeX: \chi^2=2.987 χ 2 = 2.987 LaTeX: \alpha\:=\:0.01\: α = 0.01 critical value = 5.991 What is your decision? Fail to reject Ho Reject Ho Not enough information
Using a=0.05, find the chi-square critical Value. (Round to two decimal places as needed) Determine the...
Using a=0.05, find the chi-square critical
Value. (Round to two decimal places as needed)
Determine the result of the test.choose the correct answer
below.
A.) fail to reject ho. The test stat falls into the rejection
region.
B.) reject ho. The test stat falls into
The rejection region
C.) fail to reject ho. Test test stat does not fall into the
rejection region
D.) reject ho.) the test stat does not fall into the rejection
region
B.) what conclusions can...
A six-sided die is rolled 30 times, and the numbers 1 through 6 appear as shown...
A six-sided die is rolled 30 times, and the numbers 1 through 6 appear as shown in the following frequency distribution. Outcome Frequency Outcome Frequency 1 2 4 8 2 8 5 7 3 1 6 4 a. State the decision rule. Use 0.05 significance level. Appendix B.6. (Round the final answer to 3 decimal places.) H0: The frequencies are the same. H1: The frequencies are not the same. Reject H0 if 2 > _________ b. Compute the value of...
A die was rolled 600 times with the following results. Use the Chi-square Goodness of Fit...
A die was rolled 600 times with the following results. Use the Chi-square Goodness of Fit Test to test whether the die is balanced. Use a significance level of 0.05. Give the null and alternative hypotheses, test statistic value, decision rule, and p-value. value 1 2 3 4 5 6 Frequency 87 96 108 89 122 98
Cross-Tabulation and Chi-Square Test Respondents were asked to assess their current health condition and to report...
Cross-Tabulation and Chi-Square Test Respondents were asked to assess their current health condition and to report their social class. Data is in the table below Social Class Middle- and Upper Lower- and Working- Class Respondents Tetal Health Status Class Respondents Fair/Poor 220 136 Excellent/Good 472 521 Total 1. What is the independent variable? What is its level of measurement (nominal, ordinal, ratio)? What is the dependent variable? What is its level of measurement (nominal, ordinal, ratio)? 2. Use the frequencies...
a) true b) false 42. For a chi-square distributed random variable with 10 degrees of freedom and a level of sigpificanoe computed value of the test statistics is 16.857. This will lead us to reje...
a) true b) false 42. For a chi-square distributed random variable with 10 degrees of freedom and a level of sigpificanoe computed value of the test statistics is 16.857. This will lead us to reject the null hypothesis. a) true b) false 43. A chi-square goodness-of-fit test is always conducted as: a. a lower-tail test b. an upper-tail test d. either a lower tail or upper tail test e. a two-tail test 44. A left-tailed area in the chi-square distribution...
A fair die has the numbers 1, 2, 3, 4, 5, and 6 on its faces....
A fair die has the numbers 1, 2, 3, 4, 5, and 6 on its faces. Each face is equally likely to come up on a roll. You are conducting an experiment. You roll the die and record the number rolled. Then you roll the die again and add this second number to the first numbered rolled. The outcome of the experiment is this sum. List all of the possibilities for outcomes of this experiment?
This Test: 101 pts po Test the hypotheses shown below for a random sample with s2...
This Test: 101 pts po Test the hypotheses shown below for a random sample with s2 = 166 and n=25 at the 5% significance level. Ho: os 100 H:07 > 100 Click the icon to view the upper critical values of Chi-square distribution table. For this test at the significance level a with sample variance s?, hypothesized variance oầ, sample size n and critical value xê-la X-11-6, 0r X-1 1/2 and x2 -1.1-a72, what is the form of the decision...
1. For the following data: (a) Compute the value of the chi-square test statistic. (6) Test...
1. For the following data: (a) Compute the value of the chi-square test statistic. (6) Test the hypothesis that X and Y are independent at the a=0.05 level of significance. X3 Y 87 74 34 Y 12 18 X2 Poor 2. Are health and happiness related? Use a=0.05 level of significance. Health Excellent Fair Very Happy 271 261 Happiness Pretty Happy 247 Not Too Happy 33 567 103
1 2 3 5 6 7 8 9 10 4 40 Total Normal 39 28 27...
1 2 3 5 6 7 8 9 10 4 40 Total Normal 39 28 27 25 28 42 35 34 37 335 Polka-dot 28 29 30 28 33 37 30 32 42 29 318 Use the chi-square test to determine if the total observed gametophyte phenotypes follow Mendel's expectations. To complete this evaluation, in the below table, enter the total observed values for Normal and Polka-dot phenotypes. Next, select the expected ratio values (here 1:1). Then click on the...
Using a=0.05, find the chi-square critical
Value. (Round to two decimal places as needed)
Determine the result of the test.choose the correct answer
below.
A.) fail to reject ho. The test stat falls into the rejection
region.
B.) reject ho. The test stat falls into
The rejection region
C.) fail to reject ho. Test test stat does not fall into the
rejection region
D.) reject ho.) the test stat does not fall into the rejection
region
B.) what conclusions can...
Cross-Tabulation and Chi-Square Test Respondents were asked to assess their current health condition and to report their social class. Data is in the table below Social Class Middle- and Upper Lower- and Working- Class Respondents Tetal Health Status Class Respondents Fair/Poor 220 136 Excellent/Good 472 521 Total 1. What is the independent variable? What is its level of measurement (nominal, ordinal, ratio)? What is the dependent variable? What is its level of measurement (nominal, ordinal, ratio)? 2. Use the frequencies...
a) true b) false 42. For a chi-square distributed random variable with 10 degrees of freedom and a level of sigpificanoe computed value of the test statistics is 16.857. This will lead us to reject the null hypothesis. a) true b) false 43. A chi-square goodness-of-fit test is always conducted as: a. a lower-tail test b. an upper-tail test d. either a lower tail or upper tail test e. a two-tail test 44. A left-tailed area in the chi-square distribution...
This Test: 101 pts po Test the hypotheses shown below for a random sample with s2 = 166 and n=25 at the 5% significance level. Ho: os 100 H:07 > 100 Click the icon to view the upper critical values of Chi-square distribution table. For this test at the significance level a with sample variance s?, hypothesized variance oầ, sample size n and critical value xê-la X-11-6, 0r X-1 1/2 and x2 -1.1-a72, what is the form of the decision...
1. For the following data: (a) Compute the value of the chi-square test statistic. (6) Test the hypothesis that X and Y are independent at the a=0.05 level of significance. X3 Y 87 74 34 Y 12 18 X2 Poor 2. Are health and happiness related? Use a=0.05 level of significance. Health Excellent Fair Very Happy 271 261 Happiness Pretty Happy 247 Not Too Happy 33 567 103
1 2 3 5 6 7 8 9 10 4 40 Total Normal 39 28 27 25 28 42 35 34 37 335 Polka-dot 28 29 30 28 33 37 30 32 42 29 318 Use the chi-square test to determine if the total observed gametophyte phenotypes follow Mendel's expectations. To complete this evaluation, in the below table, enter the total observed values for Normal and Polka-dot phenotypes. Next, select the expected ratio values (here 1:1). Then click on the...
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