Early Preterm Late Preterm Most pregnancies are full term, but some are preterm (less than 37 weeks). Of those that are preterm, they are classified as early (less than 34 weeks) and late (34 to 36 weeks). A report examined those outcomes for one year, broken down by Under 20 age of the mother. Is there evidence that the outcomes are not independent of age group? 129 272 20 to 29 30 to 39 243 162 19 604 429 42 40 or Over ... HA: The proportions of early/late preterm births are the same for all age groups. O D. Ho: The proportions of early/late preterm births are the same for all age groups. HA: The proportions of early/late preterm births are not the same for all age groups. Compute the x statistic. X = 2.233 (Round to three decimal places as needed.) Find the P-value. P-value = 0.526 (Round to three decimal places as needed.) State the conclusion. Choose the correct answer below. O A. The P-value is greater than or equal to the level of significance, a = 0.01. There is sufficient evidence to reject Ho and conclude the proportions of early/late preterm births are not the same for all age groups. O B. The P-value is greater than or equal to the level of significance, a = 0.01. There is insufficient evidence to reject Ho and conclude that age group and outcome are not independent. O C. The P-value is less than the level of significance, a = 0.01. There is insufficient evidence to reject Ho and conclude the proportions of early/late preterm births are not the same for all age groups. O D. The P-value is less than the level of significance, a = 0.01. There is sufficient evidence to reject Ho and conclude that age group and outcome are independent.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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Author:HOLT MCDOUGAL
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Chapter11: Data Analysis And Probability
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can you help with x^2 statistic? As well as P-value and then check the others? 

Most pregnancies are full term, but some are preterm (less than 37 weeks). Of those that are preterm, they are classified
as early (less than 34 weeks) and late (34 to 36 weeks). A report examined those outcomes for one year, broken down by Under 20
age of the mother. Is there evidence that the outcomes are not independent of age group?
Early Preterm
Late Preterm
129
272
20 to 29
243
604
30 to 39
162
429
40 or Over
19
42
......
HA: The proportions of early/late preterm births are the same for all age groups.
D. Ho:
: The proportions of early/late preterm births are the same for all age groups.
HA: The proportions of early/late preterm births are not the same for all age groups.
Compute the x statistic.
x = 2.233 (Round to three decimal places as needed.)
Find the P-value.
P-value = 0.526 (Round to three decimal places as needed.)
State the conclusion. Choose the correct answer below.
A. The P-value is greater than or equal to the level of significance, a = 0.01. There is sufficient evidence to reject H, and conclude the proportions of early/late preterm births are not the same for all age groups.
B. The P-value is greater than or equal to the level of significance, a = 0.01. There is insufficient evidence to reject Ho and conclude that age group and outcome are not independent.
O c. The P-value is less than the level of significance, a = 0.01. There is insufficient evidence to reject H, and conclude the proportions of early/late preterm births are not the same for all age groups.
D. The P-value is less than the level of significance, a = 0.01. There is sufficient evidence to reject Ho and conclude that age group and outcome are independent.
Transcribed Image Text:Most pregnancies are full term, but some are preterm (less than 37 weeks). Of those that are preterm, they are classified as early (less than 34 weeks) and late (34 to 36 weeks). A report examined those outcomes for one year, broken down by Under 20 age of the mother. Is there evidence that the outcomes are not independent of age group? Early Preterm Late Preterm 129 272 20 to 29 243 604 30 to 39 162 429 40 or Over 19 42 ...... HA: The proportions of early/late preterm births are the same for all age groups. D. Ho: : The proportions of early/late preterm births are the same for all age groups. HA: The proportions of early/late preterm births are not the same for all age groups. Compute the x statistic. x = 2.233 (Round to three decimal places as needed.) Find the P-value. P-value = 0.526 (Round to three decimal places as needed.) State the conclusion. Choose the correct answer below. A. The P-value is greater than or equal to the level of significance, a = 0.01. There is sufficient evidence to reject H, and conclude the proportions of early/late preterm births are not the same for all age groups. B. The P-value is greater than or equal to the level of significance, a = 0.01. There is insufficient evidence to reject Ho and conclude that age group and outcome are not independent. O c. The P-value is less than the level of significance, a = 0.01. There is insufficient evidence to reject H, and conclude the proportions of early/late preterm births are not the same for all age groups. D. The P-value is less than the level of significance, a = 0.01. There is sufficient evidence to reject Ho and conclude that age group and outcome are independent.
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