Help me pls q's 1-7
. Question 1 If a researcher is interested determining if there is a relationship between favorite color and college major, then a Chi-Square Goodness of Fit test can be used. o true o false. Question 2 If a researcher is interested determining if there is a relationship between ethnicity and job type, then a Chi-Square Goodness of Fit test can be used. false o true. Question 3 A researcher wants to determine if the racial distribution of America's automobile employees is the same as the racial distribution of America. The researcher should use the Chi-Square test for independence. true o false. Question 4 0/1 A researcher wants to determine if the every county in the state has the same high school dropout rate. The researcher should use the Chi-Square test for independence for this study. true o false. Question 5 3 0/1 pt Suppose a random sample of 812 adults from your town are surveyed. The table below shows the results of the survey. Observed Frequencies Job Types the Sample Outcome Observed Frequency Blue Collar 211 White Collar 235 Pink Collar 334 Unemployed 32 The job type distribution for the entire state are summarized in second column of the table below. Fill in the expected frequencies. Frequencies of Job Types in the State Outcome Expected Expected Percent Frequency Blue Collar 22 White Collar 29 Pink Collar 43 Unemployed 6Are phone calls equally likely to occur any day of the week? The day of the week for each of 3?1 randomly selected hone calls was observed. The results are displayed in the table below. Use an a: - l]. significance level. a. Complete the rest of the table by filling in the expected frequencies: Frequencies of Phone Calls for Each Day of the Week WWW III:- b. What is the correct statistical test to use? Select an answer $ c. What are the null and alternative hypodieses? Hg '. Phone calls and days of the week are independent. The distribution of phone calls is not uniform over the daye of the week. The distribution of phone calls is uniform over the days of the week. Phone calls and days of the week are dependent. The distribution of phone calls is uniform over the days of the week. Phone calls and days of the week are dependent. The distribution of phone calls is not uniform over the days of the week. Phone calls and days of the week are independent. d. 11ie degrees of freedom = S e. The test-statistic for this data = (Please show your answer to three decimal places.) f. The p-value for this sample = Please show your answer to four decimal places.) g. The p-value is | Select an answer h. Based on this, we should | Select an answer i. Thus, the final conclusion is... There is insufficient evidence to conclude that phone calls and days of the week are dependent. There is sufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week. There is insufficient evidence to conclude that the distribution of phone calls is not uniform over the days of the week. There is sufficient evidence to conclude that phone calls and days of the week are dependent. There is sufficient evidence to conclude that the distribution of phone calls is uniform over the days of the week.Ingestion? . c > EDIBpts'OBEB'BQDe In the US, 43.4% of all people have type D blood, was have type A blood, 11.?'35 have type B blood and 4.4% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3436 millionaires. What can be concluded at the a = 1.11] significance level? a. Complete the table by filling in the expected frequencies. Bound to the nearest whole number: F =-uenciesofBlood 1- = b. What is the correct statistical test to use? Selent an answer $ c. What are the null and alternative hypodieses? Hg : Blood type and income are independent. The distribution of blood type for millionaires is not the same as it is for dmericans in general. The distribution of blood type for millionaires is the same as it is for Nnericans in general. Blood type and income are dependent. The distribution of blood type for millionaires is the same as it is for Americans in general. Blood type and income are dependent. The distribution of blood type for millionaires is not the same as it is for Arnericans in dl'ii'al. Blood type and income are independent. d. The degrees of freedom - E e. 'Ihe test-statistic for this data = [:| {Please show your answer to three decimal. places.) f. The p-value for this sample = :JfPlease show your answer to four decimal places.) I s Tm News is a I h. Based on this, we should i. Thus. the final conclusion is... There is insufficient evidence to conclude that blood type and income are dependent. There is insufficient evidence to conclude that me distribution of blood type for millionaires is not the same as it is for Americans in general. There is sufficient evidence to conclude mat the distribution of blood type for millionaires Is the same as it Is for Americans in general. There is sufficient evidence to conclude that blood type and income are dependent. There is sufficient evidence to conclude that the distribution of blood type for millionaires is not the same as it is for Americans in general
