s race a factor in the number of times a month a person eats out? The table below shows data that was collected.
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Is race a factor in the number of times a month a person eats out? The table below shows data that was collected.
| Asian | White | Black | Hispanic |
|---|---|---|---|
| 12 | 1 | 5 | 10 |
| 3 | 8 | 5 | 4 |
| 12 | 1 | 9 | 15 |
| 4 | 4 | 15 | 3 |
| 11 | 13 | 5 | 11 |
| 14 | 1 | 12 | 15 |
| 8 | 1 | 10 | 8 |
| 12 | 1 | 15 | |
| 9 | 12 |
Assume that all distributions are normal, the four population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01
Your friend helped you with the null and alternative hypotheses...
H0: μ1=μ2=μ3=μ4H0: μ1=μ2=μ3=μ4
H1:H1: At least one of the
The test-statistic for this data = _________(Please show your answer to 3 decimal places.)
The p-value for this sample = ________ (Please show your answer to 4 decimal places.)
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- Is the type of area that a person lives in a factor in the age that a person experiences their first passionate kiss? The table below shows data that was collected. Rural Suburbs City 19 17 19 14 14 14 13 14 17 16 14 15 15 13 16 17 14 16 19 19 12 12 14 16 13 18 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1α=0.1. The test-statistic for this data: F = The p-value for this sample =Listed below are time intervals (min) between eruptions of a geyser. The "recent" times are within the past few years, and the "past" times are from 1995. Does it appear that the variation of the times between eruptions has changed? Use a 0.05 significance level. Assume that the two populations are normally distributed.A researcher takes sample temperatures in Fahrenheit of 17 days from New York City and 18 days from Phoenix. Test the claim that the mean temperature in New York City is different from the mean temperature in Phoenix. Use a significance level of α=0.05. Assume the populations are approximately normally distributed with unequal variances. You obtain the following two samples of data. New York City Phoenix 99 94.2 95.5 72 93.2 86.8 102 122.1 85.4 114.4 80 94.7 86.4 89.7 75.4 104.7 79.5 77.6 83.4 106.8 64.3 98.6 65.5 91.5 87.7 82 104 97.7 74.3 64.9 59.5 82 82.8 72 116.2 The Hypotheses for this problem are: H0: μ1 = μ2 H1: μ1μ2 Find the p-value. Round answer to 4 decimal places. Make sure you put the 0 in front of the decimal. p-value =
- Is a statistics class' delivery type a factor in how well students do on the final exam? The table below shows the average percent on final exams from several randomly selected classes that used the different delivery types. Face-to-Face Hybrid Online 85 81 100 100 89 82 66 56 99 57 74 98 97 55 88 58 60 75 84 75 55 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01. For this study, we should use ANOVA Your friend Stephanie helped you with the null and alternative hypotheses...H0: μ1=μ2=μ3H1: At least one of the mean is different from the others. The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)Is a statistics class' delivery type a factor in how well students do on the final exam? The table below shows the average percent on final exams from several randomly selected classes that used the different delivery types. Face-to-Face Hybrid Online 88 92 80 89 97 84 94 68 100 78 90 61 79 99 72 65 87 85 74 83 70 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of a = 0.01. Ert = T = I1 :H H1: At least two of the means differ from each other. 1. For this study, we should use Select an answer v 2. The test-statistic for this data = (Please show your answer to 3 decimal places.) 3. The p-value for this sample = (Please show your answer to 4 decimal places.) 4. The p-value is Select an answer 5. Base on this, we should Select an answer 6. As such, the final conclusion is that... | hypothesis O There is insufficient evidence to support the claim that…Is the type of area that a person lives in a factor in the age that a person experiences their first passionate kiss? The table below shows data that was collected. Rural Suburbs City 19 17 12 17 18 11 13 15 16 14 16 13 18 12 11 16 18 12 14 16 15 15 12 13 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1α=0.1.H0: μ1=μ2=μ3H0: μ1=μ2=μ3 H1:H1: At least two of the means differ from each other. For this study, we should use ANOVA The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)
- Listed below are amounts of arsenic in samples of brown rice from three different states. The amounts are in micrograms of arsenic and all samples have the same serving size. The data are from the Food and Drug Administration. Use a 0.05 significance level to test the claim that the three samples are from populations with the same mean. Assume that the distributions for each state are normal and that all variances are equal. Arkansas 4.8 4.9 5.0 5.4 5.4 5.4 5.6 5.6 5.6 5.9 6.0 6.1 California. 1.5 3.7 4.0 4.5 4.9 5.1 5.3 5.4 5.4 5.5 5.6 5.6 Texas. 5.6 5.8 6.6 6.9. 6.9 6.9 7.1 7.3 7.5 7.6 7.7 7.7A movie theater company wants to see if there is a difference in the average price of movie tickets in Chicago and New York City. They sample 20 ticket stubs from Chicago and 25 from New York City. Test the claim using a 1% level of significance. Assume the population variances are unequal and that movie ticket prices are normally distributed. Give answer to at least 4 decimal places. Chicago 9 9 7 11 10 10 8 69 6 0 10 11 11 10' 12 10 9 10 12 8 8 New York City 10 14 10 13 9 14 12 14 12 9 11 12 Mean Variance Observations Hypothesized Mean Difference 284 Test Statistic = p-value = 8 t-Test: Two-Sample Assuming Unequal Variances 14 12 11 13 9 12 7 Check Appver 11 12 14 12 6 Chicago 9.5 2.4736842105263 20 0 df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Choose the correct sign for the alternative hypothesis. 42 Ho: 41 = 42 Η; με ον 112 Based on the hypotheses, find the following: -3.0383993175306 0.00203988 2.4185 0.00407976 2.6981 New York City 11.24…Are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians? Suppose that the table below shows the results of a study. White Black Hispanic Asian 5 4 8 9 8 1 3 3 2 5 5 5 4 2 4 1 6 6 7 Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05. (Let 1 = White, 2 = Black, 3 = Hispanic, and 4 = Asian.) Part (a) State the null hypothesis. H0: ?1 = ?2 = ?3 = ?4 H0: At least two of the group means ?1, ?2, ?3, ?4, are not equal. Part (b) State the alternative hypothesis. Ha: At least two of the group means ?1, ?2, ?3, ?4, are not equal. Ha: ?1 = ?2 = ?3 = ?4 Part (c) Enter an exact number as an integer, fraction, or decimal. df(num) = Part (d) Enter an exact number as an integer, fraction, or decimal. df(denom) = Part (e) State the…
- Is race a factor in the number of times a month a person eats out? The table below shows data that was collected. Hispanic White Black Asian 10 6 14 14 9 8 9 15 5 10 1 4 12 0 10 6 10 4 9 13 5 4 9 5 6 14 9 1 6 2 1 8 7 Assume that all distributions are normal, the four population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01.H0: μ1=μ2=μ3=μ4H0: μ1=μ2=μ3=μ4Ha:Ha: At least two of the means differ from each other. For this study, we should use The test-statistic for this data = (Please show your answer to 4 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time? The table below shows the number of days to recovery for several randomly selected pneumonia patients that had various types of treatment. Sent Home With Medicine A Few Hours in the Hospital Overnight Hospital Stay 25 16 8 15 8 16 15 24 10 17 20 6 17 16 10 28 20 17 12 17 13 26 23 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01.H0: μ1=μ2=μ3H0: μ1=μ2=μ3H1:H1: At least two of the means differ from each other. For this study, we should use Incorrect The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.) The p-value is Incorrect αα Base on this, we should Incorrect hypothesis As such, the final…A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time? The table below shows the number of days to recovery for several randomly selected pneumonia patients that had various types of treatment. A Few Hours in the Hospital Overnight Hospital Stay Sent Home With Medicine 10 8 27 15 12 21 12 17 24 13 10 28 11 12 20 11 12 22 10 18 14 16 12 16 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.05α=0.05.H0: μ1=μ2=μ3H0: μ1=μ2=μ3Ha:Ha: At least two of the means differ from each other. For this study, we should use The test-statistic for this data = (Please show your answer to 4 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)
