Homework Answers
From the given conclusion claim is
claim : prenatal care and the wantedness of pregnancy are not independent
interpretation of conclusion for the reject H0 because the question says there is sufficient evidence
At the 5 % levelof significance there is suffiicent evidence to conclude that prenatal care and he wantedness of pregnancy are not independent
Option A
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Question 19 2 pts 19) Interpret your conclusion in the context of the application: At the...
. de vo res for the same conduto de (e) Interpret your conclusion in the context...
. de vo res for the same conduto de (e) Interpret your conclusion in the context of the application. At the 1% level of significance, there is insufficient evidence to conclude that the variance of the duration times of the tranquilizer is larger than stated in the journal. At the 1% level of significance, there is sufficient evidence to conclude that the variance of the duration times of the tranquilizer is larger than stated in the journal. () Find the...
19 25 The sample of six measurements shown below was randomly selected from a normally distributed...
19 25 The sample of six measurements shown below was randomly selected from a normally distributed population. Complete parts a through c. 1,2,3,3,4,1 a. Test the null hypothesis that the mean of the population is 3 against the alternative hypothesis. p < 3. Use a = 0.05 Ifq=0.05, find the rejection region for the test. Choose the correct answer below. % 1994 1994 OA. <-2015 or t> 2015 Oct-2571 O E. > 2571 OB < -2015 OD < -2571 ort...
Question 24 2 pts Continued from the previous question: Step 3: Ignore your answers in Step...
Question 24 2 pts Continued from the previous question: Step 3: Ignore your answers in Step 2. Assume that the P-value of the test is 0.002. Find the most justified conclusion for the following two significance level: 1. At the significance level of 5% [Choose ] There is no evidence that the personal goals and the college standing are associated. There is sufficient evidence that the personal goals and the college standing are associated. Ttnoosen 2. At the significance level...
Consider the following hypothesis test. Ha: μ < 50 A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use -0.01. X (a) 49 and s-5.2 Fi...
Consider the following hypothesis test. Ha: μ < 50 A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use -0.01. X (a) 49 and s-5.2 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value State your conclusion. Do not reject Ho There is insufficient evidence to conclude that u 50 O Reject Ho....
____ 16. State your conclusion to the hypothesis test. A local retailer currently schedules employees based...
____ 16. State your conclusion to the hypothesis test. A local retailer currently schedules employees based on the assumption that they serve customers uniformly throughout the week (the same number each day). Management is starting to question this assumption and decides to collect data on the number of customers served each day of the week to perform a Chi-Square goodness-of-fit test at a 5% significance level. Monday Tuesday Wednesday Thursday Friday Total Number Served 40 33 35 32 60 200...
The data below contains mileage, age, and selling price for a sample of 33 sedans. Price...
The data below contains mileage, age, and selling price for a sample of 33 sedans. Price Mileage Age Price Mileage Age Price Mileage Age 16,998 35,000 11,599 95,000 18,998 20,000 2 17,599 16,000 3 9,499 123,000 8 12,599 63,000 7 15,998 42,000 3 14,599 54,000 5 12,599 70,000 15,998 60,000 4 10,599 68,000 10 10,998 88,000 10 11,599 102,000 16,998 40,000 4 11,998 86,000 6 12,998 109,000 4 20,998 7,000 11,998 60,000 6 14,998 60,000 11,599 80,000 9 17,599 45,000...
x1 10 19 12 20 16 x2 21 16 13 19 13 20 19 x3 24...
x1 10 19 12 20 16 x2 21 16 13 19 13 20 19 x3 24 18 20 19 22 21 x4 19 20 16 25 x5 23 26 26 24 28 23 23 Test at a = 0.01 to determine if the population means are all the same. 1. The null hypothesis is Ho: Oui = 2 = 43 Oui = ly = H3 = 44 OM = H2 = H3 = HA = Hs 2. This is a...
This Question: pts Question Help In a previous year, 01% of females aged 15 years of...
This Question: pts Question Help In a previous year, 01% of females aged 15 years of age and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 300 females aged 15 years of age and older and finds that 195 are living alone. Is there sufficient evidence at the 0.01 level of significance to conclude the proportion has changed? Identify the null and alternative hypotheses for this test. O A. Ho...
A company has to choose between three new fashion lines. Management wishes to know whether preference...
A company has to choose between three new fashion lines. Management wishes to know whether preference for lines is independent of job dassification. Plan 1 Plan 2 Plan 3 Total 140 370 70 160 Salary Workers 60 40 30 130 Hourly Workers 200 Total 200 500 100 The x test statistic is 6.24. Calculate the P-value. Based on a significance level of 5%, the correct conclusion is which of the following? (Use a table or technology.) There is insufficient evidence...
44. You may need to use the appropriate technology to answer this question. Consider the follovring...
44.
You may need to use the appropriate technology to answer this question. Consider the follovring hypothesis test. A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use α = 0.01. (a)x44 and s5.1 Find the value of the test statistic. (Round your ansvwer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value State your conclusion. O Do not reject Ho. There is...
. de vo res for the same conduto de (e) Interpret your conclusion in the context of the application. At the 1% level of significance, there is insufficient evidence to conclude that the variance of the duration times of the tranquilizer is larger than stated in the journal. At the 1% level of significance, there is sufficient evidence to conclude that the variance of the duration times of the tranquilizer is larger than stated in the journal. () Find the...
19 25 The sample of six measurements shown below was randomly selected from a normally distributed population. Complete parts a through c. 1,2,3,3,4,1 a. Test the null hypothesis that the mean of the population is 3 against the alternative hypothesis. p < 3. Use a = 0.05 Ifq=0.05, find the rejection region for the test. Choose the correct answer below. % 1994 1994 OA. <-2015 or t> 2015 Oct-2571 O E. > 2571 OB < -2015 OD < -2571 ort...
Question 24 2 pts Continued from the previous question: Step 3: Ignore your answers in Step 2. Assume that the P-value of the test is 0.002. Find the most justified conclusion for the following two significance level: 1. At the significance level of 5% [Choose ] There is no evidence that the personal goals and the college standing are associated. There is sufficient evidence that the personal goals and the college standing are associated. Ttnoosen 2. At the significance level...
Consider the following hypothesis test. Ha: μ < 50 A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use -0.01. X (a) 49 and s-5.2 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value State your conclusion. Do not reject Ho There is insufficient evidence to conclude that u 50 O Reject Ho....
The data below contains mileage, age, and selling price for a sample of 33 sedans. Price Mileage Age Price Mileage Age Price Mileage Age 16,998 35,000 11,599 95,000 18,998 20,000 2 17,599 16,000 3 9,499 123,000 8 12,599 63,000 7 15,998 42,000 3 14,599 54,000 5 12,599 70,000 15,998 60,000 4 10,599 68,000 10 10,998 88,000 10 11,599 102,000 16,998 40,000 4 11,998 86,000 6 12,998 109,000 4 20,998 7,000 11,998 60,000 6 14,998 60,000 11,599 80,000 9 17,599 45,000...
x1 10 19 12 20 16 x2 21 16 13 19 13 20 19 x3 24 18 20 19 22 21 x4 19 20 16 25 x5 23 26 26 24 28 23 23 Test at a = 0.01 to determine if the population means are all the same. 1. The null hypothesis is Ho: Oui = 2 = 43 Oui = ly = H3 = 44 OM = H2 = H3 = HA = Hs 2. This is a...
This Question: pts Question Help In a previous year, 01% of females aged 15 years of age and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 300 females aged 15 years of age and older and finds that 195 are living alone. Is there sufficient evidence at the 0.01 level of significance to conclude the proportion has changed? Identify the null and alternative hypotheses for this test. O A. Ho...
A company has to choose between three new fashion lines. Management wishes to know whether preference for lines is independent of job dassification. Plan 1 Plan 2 Plan 3 Total 140 370 70 160 Salary Workers 60 40 30 130 Hourly Workers 200 Total 200 500 100 The x test statistic is 6.24. Calculate the P-value. Based on a significance level of 5%, the correct conclusion is which of the following? (Use a table or technology.) There is insufficient evidence...
44.
You may need to use the appropriate technology to answer this question. Consider the follovring hypothesis test. A sample of 36 is used. Identify the p-value and state your conclusion for each of the following sample results. Use α = 0.01. (a)x44 and s5.1 Find the value of the test statistic. (Round your ansvwer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value State your conclusion. O Do not reject Ho. There is...
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